Home / 21,294.48-29,373.12-15,233.52

Finding the Fourth Proportional to 21,294.48, 29,373.12 and 15,233.52

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Solution

The fourth proportional to 21,294.48, 29,373.12 and 15,233.52 is: 21,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,294.48 : 29,373.12 = 15,233.52 : x
  2. Step 2: Convert to fraction form
    21,294.48/29,373.12 = 15,233.52/x
  3. Step 3: Cross multiply
    21,294.48x = 29,373.12 × 15,233.52
  4. Step 4: Simplify right side
    21,294.48x = 447,456,010.98
  5. Step 5: Solve for x
    x = 447,456,010.98/21,294.48
  6. Step 6: Final answer
    x = 21,012.77

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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.