Home / 26,608.78-39,937.90-13,470.46

Finding the Fourth Proportional to 26,608.78, 39,937.90 and 13,470.46

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Solution

The fourth proportional to 26,608.78, 39,937.90 and 13,470.46 is: 20,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,608.78 : 39,937.90 = 13,470.46 : x
  2. Step 2: Convert to fraction form
    26,608.78/39,937.90 = 13,470.46/x
  3. Step 3: Cross multiply
    26,608.78x = 39,937.90 × 13,470.46
  4. Step 4: Simplify right side
    26,608.78x = 537,981,884.43
  5. Step 5: Solve for x
    x = 537,981,884.43/26,608.78
  6. Step 6: Final answer
    x = 20,218.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.