Home / 28,549.24-39,398-15,974

Finding the Fourth Proportional to 28,549.24, 39,398 and 15,974

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Solution

The fourth proportional to 28,549.24, 39,398 and 15,974 is: 22,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549.24 : 39,398 = 15,974 : x
  2. Step 2: Convert to fraction form
    28,549.24/39,398 = 15,974/x
  3. Step 3: Cross multiply
    28,549.24x = 39,398 × 15,974
  4. Step 4: Simplify right side
    28,549.24x = 629,343,652
  5. Step 5: Solve for x
    x = 629,343,652/28,549.24
  6. Step 6: Final answer
    x = 22,044.15

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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.