Home / 52,721.78-72,757.24-28,848.45

Finding the Fourth Proportional to 52,721.78, 72,757.24 and 28,848.45

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Solution

The fourth proportional to 52,721.78, 72,757.24 and 28,848.45 is: 39,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,721.78 : 72,757.24 = 28,848.45 : x
  2. Step 2: Convert to fraction form
    52,721.78/72,757.24 = 28,848.45/x
  3. Step 3: Cross multiply
    52,721.78x = 72,757.24 × 28,848.45
  4. Step 4: Simplify right side
    52,721.78x = 2,098,933,528.16
  5. Step 5: Solve for x
    x = 2,098,933,528.16/52,721.78
  6. Step 6: Final answer
    x = 39,811.51

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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.