Home / 25,443.12-38,150.04-21,308.88

Finding the Fourth Proportional to 25,443.12, 38,150.04 and 21,308.88

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Solution

The fourth proportional to 25,443.12, 38,150.04 and 21,308.88 is: 31,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.12 : 38,150.04 = 21,308.88 : x
  2. Step 2: Convert to fraction form
    25,443.12/38,150.04 = 21,308.88/x
  3. Step 3: Cross multiply
    25,443.12x = 38,150.04 × 21,308.88
  4. Step 4: Simplify right side
    25,443.12x = 812,934,624.36
  5. Step 5: Solve for x
    x = 812,934,624.36/25,443.12
  6. Step 6: Final answer
    x = 31,951.06

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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.