Home / 52,143.05-71,957.48-28,269.72

Finding the Fourth Proportional to 52,143.05, 71,957.48 and 28,269.72

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Solution

The fourth proportional to 52,143.05, 71,957.48 and 28,269.72 is: 39,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,143.05 : 71,957.48 = 28,269.72 : x
  2. Step 2: Convert to fraction form
    52,143.05/71,957.48 = 28,269.72/x
  3. Step 3: Cross multiply
    52,143.05x = 71,957.48 × 28,269.72
  4. Step 4: Simplify right side
    52,143.05x = 2,034,217,670.16
  5. Step 5: Solve for x
    x = 2,034,217,670.16/52,143.05
  6. Step 6: Final answer
    x = 39,012.25

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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.