Home / 28,387.60-42,523.80-16,061.20

Finding the Fourth Proportional to 28,387.60, 42,523.80 and 16,061.20

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Solution

The fourth proportional to 28,387.60, 42,523.80 and 16,061.20 is: 24,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,387.60 : 42,523.80 = 16,061.20 : x
  2. Step 2: Convert to fraction form
    28,387.60/42,523.80 = 16,061.20/x
  3. Step 3: Cross multiply
    28,387.60x = 42,523.80 × 16,061.20
  4. Step 4: Simplify right side
    28,387.60x = 682,983,256.56
  5. Step 5: Solve for x
    x = 682,983,256.56/28,387.60
  6. Step 6: Final answer
    x = 24,059.21

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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.