Home / 38,287-52,839.30-21,523.24

Finding the Fourth Proportional to 38,287, 52,839.30 and 21,523.24

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Solution

The fourth proportional to 38,287, 52,839.30 and 21,523.24 is: 29,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,287 : 52,839.30 = 21,523.24 : x
  2. Step 2: Convert to fraction form
    38,287/52,839.30 = 21,523.24/x
  3. Step 3: Cross multiply
    38,287x = 52,839.30 × 21,523.24
  4. Step 4: Simplify right side
    38,287x = 1,137,272,935.33
  5. Step 5: Solve for x
    x = 1,137,272,935.33/38,287
  6. Step 6: Final answer
    x = 29,703.89

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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.