Home / 52,127.30-71,935.82-28,254.07

Finding the Fourth Proportional to 52,127.30, 71,935.82 and 28,254.07

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Solution

The fourth proportional to 52,127.30, 71,935.82 and 28,254.07 is: 38,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,127.30 : 71,935.82 = 28,254.07 : x
  2. Step 2: Convert to fraction form
    52,127.30/71,935.82 = 28,254.07/x
  3. Step 3: Cross multiply
    52,127.30x = 71,935.82 × 28,254.07
  4. Step 4: Simplify right side
    52,127.30x = 2,032,479,423.22
  5. Step 5: Solve for x
    x = 2,032,479,423.22/52,127.30
  6. Step 6: Final answer
    x = 38,990.69

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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.