Home / 25,562.80-38,344.20-17,689.60

Finding the Fourth Proportional to 25,562.80, 38,344.20 and 17,689.60

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Solution

The fourth proportional to 25,562.80, 38,344.20 and 17,689.60 is: 26,534.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,562.80 : 38,344.20 = 17,689.60 : x
  2. Step 2: Convert to fraction form
    25,562.80/38,344.20 = 17,689.60/x
  3. Step 3: Cross multiply
    25,562.80x = 38,344.20 × 17,689.60
  4. Step 4: Simplify right side
    25,562.80x = 678,293,560.32
  5. Step 5: Solve for x
    x = 678,293,560.32/25,562.80
  6. Step 6: Final answer
    x = 26,534.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.