Home / 28,132.40-38,817.96-17,525.36

Finding the Fourth Proportional to 28,132.40, 38,817.96 and 17,525.36

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Solution

The fourth proportional to 28,132.40, 38,817.96 and 17,525.36 is: 24,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,132.40 : 38,817.96 = 17,525.36 : x
  2. Step 2: Convert to fraction form
    28,132.40/38,817.96 = 17,525.36/x
  3. Step 3: Cross multiply
    28,132.40x = 38,817.96 × 17,525.36
  4. Step 4: Simplify right side
    28,132.40x = 680,298,723.47
  5. Step 5: Solve for x
    x = 680,298,723.47/28,132.40
  6. Step 6: Final answer
    x = 24,182.04

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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.