Home / 52,000.73-71,760.81-28,127.40

Finding the Fourth Proportional to 52,000.73, 71,760.81 and 28,127.40

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Solution

The fourth proportional to 52,000.73, 71,760.81 and 28,127.40 is: 38,815.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,000.73 : 71,760.81 = 28,127.40 : x
  2. Step 2: Convert to fraction form
    52,000.73/71,760.81 = 28,127.40/x
  3. Step 3: Cross multiply
    52,000.73x = 71,760.81 × 28,127.40
  4. Step 4: Simplify right side
    52,000.73x = 2,018,445,007.19
  5. Step 5: Solve for x
    x = 2,018,445,007.19/52,000.73
  6. Step 6: Final answer
    x = 38,815.71

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1.5x scale

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.