Home / 28,375.52-42,331.21-26,361.86

Finding the Fourth Proportional to 28,375.52, 42,331.21 and 26,361.86

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Solution

The fourth proportional to 28,375.52, 42,331.21 and 26,361.86 is: 39,327.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,375.52 : 42,331.21 = 26,361.86 : x
  2. Step 2: Convert to fraction form
    28,375.52/42,331.21 = 26,361.86/x
  3. Step 3: Cross multiply
    28,375.52x = 42,331.21 × 26,361.86
  4. Step 4: Simplify right side
    28,375.52x = 1,115,929,154.09
  5. Step 5: Solve for x
    x = 1,115,929,154.09/28,375.52
  6. Step 6: Final answer
    x = 39,327.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.