Home / 26,734.71-36,902.12-15,411.78

Finding the Fourth Proportional to 26,734.71, 36,902.12 and 15,411.78

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Solution

The fourth proportional to 26,734.71, 36,902.12 and 15,411.78 is: 21,273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,734.71 : 36,902.12 = 15,411.78 : x
  2. Step 2: Convert to fraction form
    26,734.71/36,902.12 = 15,411.78/x
  3. Step 3: Cross multiply
    26,734.71x = 36,902.12 × 15,411.78
  4. Step 4: Simplify right side
    26,734.71x = 568,727,354.97
  5. Step 5: Solve for x
    x = 568,727,354.97/26,734.71
  6. Step 6: Final answer
    x = 21,273.00

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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.