Home / 29,390.77-40,558.11-15,961.72

Finding the Fourth Proportional to 29,390.77, 40,558.11 and 15,961.72

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Solution

The fourth proportional to 29,390.77, 40,558.11 and 15,961.72 is: 22,026.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,390.77 : 40,558.11 = 15,961.72 : x
  2. Step 2: Convert to fraction form
    29,390.77/40,558.11 = 15,961.72/x
  3. Step 3: Cross multiply
    29,390.77x = 40,558.11 × 15,961.72
  4. Step 4: Simplify right side
    29,390.77x = 647,377,195.55
  5. Step 5: Solve for x
    x = 647,377,195.55/29,390.77
  6. Step 6: Final answer
    x = 22,026.55

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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.