Home / 22,487.64-31,042.19-15,341.15

Finding the Fourth Proportional to 22,487.64, 31,042.19 and 15,341.15

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Solution

The fourth proportional to 22,487.64, 31,042.19 and 15,341.15 is: 21,177.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.64 : 31,042.19 = 15,341.15 : x
  2. Step 2: Convert to fraction form
    22,487.64/31,042.19 = 15,341.15/x
  3. Step 3: Cross multiply
    22,487.64x = 31,042.19 × 15,341.15
  4. Step 4: Simplify right side
    22,487.64x = 476,222,661.20
  5. Step 5: Solve for x
    x = 476,222,661.20/22,487.64
  6. Step 6: Final answer
    x = 21,177.08

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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.