Home / 23,493.30-32,420.52-12,882.90

Finding the Fourth Proportional to 23,493.30, 32,420.52 and 12,882.90

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Solution

The fourth proportional to 23,493.30, 32,420.52 and 12,882.90 is: 17,778.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,493.30 : 32,420.52 = 12,882.90 : x
  2. Step 2: Convert to fraction form
    23,493.30/32,420.52 = 12,882.90/x
  3. Step 3: Cross multiply
    23,493.30x = 32,420.52 × 12,882.90
  4. Step 4: Simplify right side
    23,493.30x = 417,670,317.11
  5. Step 5: Solve for x
    x = 417,670,317.11/23,493.30
  6. Step 6: Final answer
    x = 17,778.27

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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.