Home / 23,231.20-32,049.12-15,682.40

Finding the Fourth Proportional to 23,231.20, 32,049.12 and 15,682.40

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Solution

The fourth proportional to 23,231.20, 32,049.12 and 15,682.40 is: 21,635.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,231.20 : 32,049.12 = 15,682.40 : x
  2. Step 2: Convert to fraction form
    23,231.20/32,049.12 = 15,682.40/x
  3. Step 3: Cross multiply
    23,231.20x = 32,049.12 × 15,682.40
  4. Step 4: Simplify right side
    23,231.20x = 502,607,119.49
  5. Step 5: Solve for x
    x = 502,607,119.49/23,231.20
  6. Step 6: Final answer
    x = 21,635.00

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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.