Home / 25,108.92-37,649.11-19,407.87

Finding the Fourth Proportional to 25,108.92, 37,649.11 and 19,407.87

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Solution

The fourth proportional to 25,108.92, 37,649.11 and 19,407.87 is: 29,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.92 : 37,649.11 = 19,407.87 : x
  2. Step 2: Convert to fraction form
    25,108.92/37,649.11 = 19,407.87/x
  3. Step 3: Cross multiply
    25,108.92x = 37,649.11 × 19,407.87
  4. Step 4: Simplify right side
    25,108.92x = 730,688,747.21
  5. Step 5: Solve for x
    x = 730,688,747.21/25,108.92
  6. Step 6: Final answer
    x = 29,100.76

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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.