Home / 25,110.77-34,649.23-16,170.39

Finding the Fourth Proportional to 25,110.77, 34,649.23 and 16,170.39

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Solution

The fourth proportional to 25,110.77, 34,649.23 and 16,170.39 is: 22,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.77 : 34,649.23 = 16,170.39 : x
  2. Step 2: Convert to fraction form
    25,110.77/34,649.23 = 16,170.39/x
  3. Step 3: Cross multiply
    25,110.77x = 34,649.23 × 16,170.39
  4. Step 4: Simplify right side
    25,110.77x = 560,291,481.45
  5. Step 5: Solve for x
    x = 560,291,481.45/25,110.77
  6. Step 6: Final answer
    x = 22,312.80

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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.