Home / 25,731.38-35,511.82-18,567.20

Finding the Fourth Proportional to 25,731.38, 35,511.82 and 18,567.20

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Solution

The fourth proportional to 25,731.38, 35,511.82 and 18,567.20 is: 25,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.38 : 35,511.82 = 18,567.20 : x
  2. Step 2: Convert to fraction form
    25,731.38/35,511.82 = 18,567.20/x
  3. Step 3: Cross multiply
    25,731.38x = 35,511.82 × 18,567.20
  4. Step 4: Simplify right side
    25,731.38x = 659,355,064.30
  5. Step 5: Solve for x
    x = 659,355,064.30/25,731.38
  6. Step 6: Final answer
    x = 25,624.55

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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.