Home / 23,689.96-32,686.30-14,489.20

Finding the Fourth Proportional to 23,689.96, 32,686.30 and 14,489.20

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Solution

The fourth proportional to 23,689.96, 32,686.30 and 14,489.20 is: 19,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.96 : 32,686.30 = 14,489.20 : x
  2. Step 2: Convert to fraction form
    23,689.96/32,686.30 = 14,489.20/x
  3. Step 3: Cross multiply
    23,689.96x = 32,686.30 × 14,489.20
  4. Step 4: Simplify right side
    23,689.96x = 473,598,337.96
  5. Step 5: Solve for x
    x = 473,598,337.96/23,689.96
  6. Step 6: Final answer
    x = 19,991.52

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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.