Home / 25,830.32-38,751.80-8,301.84

Finding the Fourth Proportional to 25,830.32, 38,751.80 and 8,301.84

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Solution

The fourth proportional to 25,830.32, 38,751.80 and 8,301.84 is: 12,454.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.32 : 38,751.80 = 8,301.84 : x
  2. Step 2: Convert to fraction form
    25,830.32/38,751.80 = 8,301.84/x
  3. Step 3: Cross multiply
    25,830.32x = 38,751.80 × 8,301.84
  4. Step 4: Simplify right side
    25,830.32x = 321,711,243.31
  5. Step 5: Solve for x
    x = 321,711,243.31/25,830.32
  6. Step 6: Final answer
    x = 12,454.79

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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.