Home / 38,401.20-57,543.36-28,494

Finding the Fourth Proportional to 38,401.20, 57,543.36 and 28,494

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Solution

The fourth proportional to 38,401.20, 57,543.36 and 28,494 is: 42,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,401.20 : 57,543.36 = 28,494 : x
  2. Step 2: Convert to fraction form
    38,401.20/57,543.36 = 28,494/x
  3. Step 3: Cross multiply
    38,401.20x = 57,543.36 × 28,494
  4. Step 4: Simplify right side
    38,401.20x = 1,639,640,499.84
  5. Step 5: Solve for x
    x = 1,639,640,499.84/38,401.20
  6. Step 6: Final answer
    x = 42,697.64

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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.