Home / 29,363.77-40,520.86-15,934.56

Finding the Fourth Proportional to 29,363.77, 40,520.86 and 15,934.56

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Solution

The fourth proportional to 29,363.77, 40,520.86 and 15,934.56 is: 21,989.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,363.77 : 40,520.86 = 15,934.56 : x
  2. Step 2: Convert to fraction form
    29,363.77/40,520.86 = 15,934.56/x
  3. Step 3: Cross multiply
    29,363.77x = 40,520.86 × 15,934.56
  4. Step 4: Simplify right side
    29,363.77x = 645,682,074.92
  5. Step 5: Solve for x
    x = 645,682,074.92/29,363.77
  6. Step 6: Final answer
    x = 21,989.07

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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.