Home / 25,619.52-38,422.40-9,821.12

Finding the Fourth Proportional to 25,619.52, 38,422.40 and 9,821.12

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Solution

The fourth proportional to 25,619.52, 38,422.40 and 9,821.12 is: 14,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.52 : 38,422.40 = 9,821.12 : x
  2. Step 2: Convert to fraction form
    25,619.52/38,422.40 = 9,821.12/x
  3. Step 3: Cross multiply
    25,619.52x = 38,422.40 × 9,821.12
  4. Step 4: Simplify right side
    25,619.52x = 377,351,001.09
  5. Step 5: Solve for x
    x = 377,351,001.09/25,619.52
  6. Step 6: Final answer
    x = 14,729.04

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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.