Home / 29,305.11-40,441-15,876.71

Finding the Fourth Proportional to 29,305.11, 40,441 and 15,876.71

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Solution

The fourth proportional to 29,305.11, 40,441 and 15,876.71 is: 21,909.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.11 : 40,441 = 15,876.71 : x
  2. Step 2: Convert to fraction form
    29,305.11/40,441 = 15,876.71/x
  3. Step 3: Cross multiply
    29,305.11x = 40,441 × 15,876.71
  4. Step 4: Simplify right side
    29,305.11x = 642,069,826.91
  5. Step 5: Solve for x
    x = 642,069,826.91/29,305.11
  6. Step 6: Final answer
    x = 21,909.82

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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.