Home / 52,811.52-72,878.64-28,937.04

Finding the Fourth Proportional to 52,811.52, 72,878.64 and 28,937.04

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Solution

The fourth proportional to 52,811.52, 72,878.64 and 28,937.04 is: 39,932.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,811.52 : 72,878.64 = 28,937.04 : x
  2. Step 2: Convert to fraction form
    52,811.52/72,878.64 = 28,937.04/x
  3. Step 3: Cross multiply
    52,811.52x = 72,878.64 × 28,937.04
  4. Step 4: Simplify right side
    52,811.52x = 2,108,892,120.83
  5. Step 5: Solve for x
    x = 2,108,892,120.83/52,811.52
  6. Step 6: Final answer
    x = 39,932.43

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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.