Home / 25,010.76-34,516.92-15,580.72

Finding the Fourth Proportional to 25,010.76, 34,516.92 and 15,580.72

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Solution

The fourth proportional to 25,010.76, 34,516.92 and 15,580.72 is: 21,502.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,010.76 : 34,516.92 = 15,580.72 : x
  2. Step 2: Convert to fraction form
    25,010.76/34,516.92 = 15,580.72/x
  3. Step 3: Cross multiply
    25,010.76x = 34,516.92 × 15,580.72
  4. Step 4: Simplify right side
    25,010.76x = 537,798,465.78
  5. Step 5: Solve for x
    x = 537,798,465.78/25,010.76
  6. Step 6: Final answer
    x = 21,502.68

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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.