Home / 52,406.16-72,320.06-28,532.80

Finding the Fourth Proportional to 52,406.16, 72,320.06 and 28,532.80

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Solution

The fourth proportional to 52,406.16, 72,320.06 and 28,532.80 is: 39,375.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,406.16 : 72,320.06 = 28,532.80 : x
  2. Step 2: Convert to fraction form
    52,406.16/72,320.06 = 28,532.80/x
  3. Step 3: Cross multiply
    52,406.16x = 72,320.06 × 28,532.80
  4. Step 4: Simplify right side
    52,406.16x = 2,063,493,807.97
  5. Step 5: Solve for x
    x = 2,063,493,807.97/52,406.16
  6. Step 6: Final answer
    x = 39,375.02

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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.