Home / 29,207.88-40,280.42-19,132.65

Finding the Fourth Proportional to 29,207.88, 40,280.42 and 19,132.65

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Solution

The fourth proportional to 29,207.88, 40,280.42 and 19,132.65 is: 26,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,207.88 : 40,280.42 = 19,132.65 : x
  2. Step 2: Convert to fraction form
    29,207.88/40,280.42 = 19,132.65/x
  3. Step 3: Cross multiply
    29,207.88x = 40,280.42 × 19,132.65
  4. Step 4: Simplify right side
    29,207.88x = 770,671,082.05
  5. Step 5: Solve for x
    x = 770,671,082.05/29,207.88
  6. Step 6: Final answer
    x = 26,385.72

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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.