Home / 29,249.61-40,364.46-15,820.85

Finding the Fourth Proportional to 29,249.61, 40,364.46 and 15,820.85

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Solution

The fourth proportional to 29,249.61, 40,364.46 and 15,820.85 is: 21,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,249.61 : 40,364.46 = 15,820.85 : x
  2. Step 2: Convert to fraction form
    29,249.61/40,364.46 = 15,820.85/x
  3. Step 3: Cross multiply
    29,249.61x = 40,364.46 × 15,820.85
  4. Step 4: Simplify right side
    29,249.61x = 638,600,167.90
  5. Step 5: Solve for x
    x = 638,600,167.90/29,249.61
  6. Step 6: Final answer
    x = 21,832.78

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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.