Home / 27,545.04-38,030.46-21,160.26

Finding the Fourth Proportional to 27,545.04, 38,030.46 and 21,160.26

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Solution

The fourth proportional to 27,545.04, 38,030.46 and 21,160.26 is: 29,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,545.04 : 38,030.46 = 21,160.26 : x
  2. Step 2: Convert to fraction form
    27,545.04/38,030.46 = 21,160.26/x
  3. Step 3: Cross multiply
    27,545.04x = 38,030.46 × 21,160.26
  4. Step 4: Simplify right side
    27,545.04x = 804,734,421.52
  5. Step 5: Solve for x
    x = 804,734,421.52/27,545.04
  6. Step 6: Final answer
    x = 29,215.22

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Half scale
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Double scale
Find fourth proportional to 27,546.04, 38,031.84 and 21,161.26
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.