Home / 52,528.10-72,488.66-28,654.78

Finding the Fourth Proportional to 52,528.10, 72,488.66 and 28,654.78

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Solution

The fourth proportional to 52,528.10, 72,488.66 and 28,654.78 is: 39,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,528.10 : 72,488.66 = 28,654.78 : x
  2. Step 2: Convert to fraction form
    52,528.10/72,488.66 = 28,654.78/x
  3. Step 3: Cross multiply
    52,528.10x = 72,488.66 × 28,654.78
  4. Step 4: Simplify right side
    52,528.10x = 2,077,146,604.79
  5. Step 5: Solve for x
    x = 2,077,146,604.79/52,528.10
  6. Step 6: Final answer
    x = 39,543.53

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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.