Home / 19,438.32-26,759.96-18,545.62

Finding the Fourth Proportional to 19,438.32, 26,759.96 and 18,545.62

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Solution

The fourth proportional to 19,438.32, 26,759.96 and 18,545.62 is: 25,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.32 : 26,759.96 = 18,545.62 : x
  2. Step 2: Convert to fraction form
    19,438.32/26,759.96 = 18,545.62/x
  3. Step 3: Cross multiply
    19,438.32x = 26,759.96 × 18,545.62
  4. Step 4: Simplify right side
    19,438.32x = 496,280,049.38
  5. Step 5: Solve for x
    x = 496,280,049.38/19,438.32
  6. Step 6: Final answer
    x = 25,531.02

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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.