Home / 26,780.18-40,172.32-9,010.92

Finding the Fourth Proportional to 26,780.18, 40,172.32 and 9,010.92

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Solution

The fourth proportional to 26,780.18, 40,172.32 and 9,010.92 is: 13,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,780.18 : 40,172.32 = 9,010.92 : x
  2. Step 2: Convert to fraction form
    26,780.18/40,172.32 = 9,010.92/x
  3. Step 3: Cross multiply
    26,780.18x = 40,172.32 × 9,010.92
  4. Step 4: Simplify right side
    26,780.18x = 361,989,561.73
  5. Step 5: Solve for x
    x = 361,989,561.73/26,780.18
  6. Step 6: Final answer
    x = 13,517.07

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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.