Home / 53,517.28-80,252.64-28,551.76

Finding the Fourth Proportional to 53,517.28, 80,252.64 and 28,551.76

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Solution

The fourth proportional to 53,517.28, 80,252.64 and 28,551.76 is: 42,815.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,517.28 : 80,252.64 = 28,551.76 : x
  2. Step 2: Convert to fraction form
    53,517.28/80,252.64 = 28,551.76/x
  3. Step 3: Cross multiply
    53,517.28x = 80,252.64 × 28,551.76
  4. Step 4: Simplify right side
    53,517.28x = 2,291,354,116.65
  5. Step 5: Solve for x
    x = 2,291,354,116.65/53,517.28
  6. Step 6: Final answer
    x = 42,815.22

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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.