Home / 26,172.42-39,264.28-8,398.92

Finding the Fourth Proportional to 26,172.42, 39,264.28 and 8,398.92

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Solution

The fourth proportional to 26,172.42, 39,264.28 and 8,398.92 is: 12,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172.42 : 39,264.28 = 8,398.92 : x
  2. Step 2: Convert to fraction form
    26,172.42/39,264.28 = 8,398.92/x
  3. Step 3: Cross multiply
    26,172.42x = 39,264.28 × 8,398.92
  4. Step 4: Simplify right side
    26,172.42x = 329,777,546.58
  5. Step 5: Solve for x
    x = 329,777,546.58/26,172.42
  6. Step 6: Final answer
    x = 12,600.19

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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.