Home / 52,382.40-72,287.94-28,509.06

Finding the Fourth Proportional to 52,382.40, 72,287.94 and 28,509.06

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Solution

The fourth proportional to 52,382.40, 72,287.94 and 28,509.06 is: 39,342.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,382.40 : 72,287.94 = 28,509.06 : x
  2. Step 2: Convert to fraction form
    52,382.40/72,287.94 = 28,509.06/x
  3. Step 3: Cross multiply
    52,382.40x = 72,287.94 × 28,509.06
  4. Step 4: Simplify right side
    52,382.40x = 2,060,861,218.74
  5. Step 5: Solve for x
    x = 2,060,861,218.74/52,382.40
  6. Step 6: Final answer
    x = 39,342.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.