Home / 27,854.08-38,425.17-18,290.23

Finding the Fourth Proportional to 27,854.08, 38,425.17 and 18,290.23

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Solution

The fourth proportional to 27,854.08, 38,425.17 and 18,290.23 is: 25,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,854.08 : 38,425.17 = 18,290.23 : x
  2. Step 2: Convert to fraction form
    27,854.08/38,425.17 = 18,290.23/x
  3. Step 3: Cross multiply
    27,854.08x = 38,425.17 × 18,290.23
  4. Step 4: Simplify right side
    27,854.08x = 702,805,197.09
  5. Step 5: Solve for x
    x = 702,805,197.09/27,854.08
  6. Step 6: Final answer
    x = 25,231.68

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Half scale
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Double scale
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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.