Home / 23,808.78-32,841.18-15,321.96

Finding the Fourth Proportional to 23,808.78, 32,841.18 and 15,321.96

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Solution

The fourth proportional to 23,808.78, 32,841.18 and 15,321.96 is: 21,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,808.78 : 32,841.18 = 15,321.96 : x
  2. Step 2: Convert to fraction form
    23,808.78/32,841.18 = 15,321.96/x
  3. Step 3: Cross multiply
    23,808.78x = 32,841.18 × 15,321.96
  4. Step 4: Simplify right side
    23,808.78x = 503,191,246.31
  5. Step 5: Solve for x
    x = 503,191,246.31/23,808.78
  6. Step 6: Final answer
    x = 21,134.69

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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.