Home / 25,359.12-38,024.28-21,224.88

Finding the Fourth Proportional to 25,359.12, 38,024.28 and 21,224.88

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Solution

The fourth proportional to 25,359.12, 38,024.28 and 21,224.88 is: 31,825.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,359.12 : 38,024.28 = 21,224.88 : x
  2. Step 2: Convert to fraction form
    25,359.12/38,024.28 = 21,224.88/x
  3. Step 3: Cross multiply
    25,359.12x = 38,024.28 × 21,224.88
  4. Step 4: Simplify right side
    25,359.12x = 807,060,780.09
  5. Step 5: Solve for x
    x = 807,060,780.09/25,359.12
  6. Step 6: Final answer
    x = 31,825.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.