Home / 27,905.04-38,515.59-15,975.26

Finding the Fourth Proportional to 27,905.04, 38,515.59 and 15,975.26

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Solution

The fourth proportional to 27,905.04, 38,515.59 and 15,975.26 is: 22,049.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.04 : 38,515.59 = 15,975.26 : x
  2. Step 2: Convert to fraction form
    27,905.04/38,515.59 = 15,975.26/x
  3. Step 3: Cross multiply
    27,905.04x = 38,515.59 × 15,975.26
  4. Step 4: Simplify right side
    27,905.04x = 615,296,291.85
  5. Step 5: Solve for x
    x = 615,296,291.85/27,905.04
  6. Step 6: Final answer
    x = 22,049.65

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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.