Home / 23,127.72-34,817.61-15,778.47

Finding the Fourth Proportional to 23,127.72, 34,817.61 and 15,778.47

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Solution

The fourth proportional to 23,127.72, 34,817.61 and 15,778.47 is: 23,753.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.72 : 34,817.61 = 15,778.47 : x
  2. Step 2: Convert to fraction form
    23,127.72/34,817.61 = 15,778.47/x
  3. Step 3: Cross multiply
    23,127.72x = 34,817.61 × 15,778.47
  4. Step 4: Simplify right side
    23,127.72x = 549,368,614.86
  5. Step 5: Solve for x
    x = 549,368,614.86/23,127.72
  6. Step 6: Final answer
    x = 23,753.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.