Home / 27,657.52-38,167.32-15,082.24

Finding the Fourth Proportional to 27,657.52, 38,167.32 and 15,082.24

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Solution

The fourth proportional to 27,657.52, 38,167.32 and 15,082.24 is: 20,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,657.52 : 38,167.32 = 15,082.24 : x
  2. Step 2: Convert to fraction form
    27,657.52/38,167.32 = 15,082.24/x
  3. Step 3: Cross multiply
    27,657.52x = 38,167.32 × 15,082.24
  4. Step 4: Simplify right side
    27,657.52x = 575,648,680.40
  5. Step 5: Solve for x
    x = 575,648,680.40/27,657.52
  6. Step 6: Final answer
    x = 20,813.46

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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.