Home / 28,410.38-42,627.88-15,247.38

Finding the Fourth Proportional to 28,410.38, 42,627.88 and 15,247.38

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Solution

The fourth proportional to 28,410.38, 42,627.88 and 15,247.38 is: 22,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.38 : 42,627.88 = 15,247.38 : x
  2. Step 2: Convert to fraction form
    28,410.38/42,627.88 = 15,247.38/x
  3. Step 3: Cross multiply
    28,410.38x = 42,627.88 × 15,247.38
  4. Step 4: Simplify right side
    28,410.38x = 649,963,484.95
  5. Step 5: Solve for x
    x = 649,963,484.95/28,410.38
  6. Step 6: Final answer
    x = 22,877.68

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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.