Home / 29,139.06-40,211.85-16,392.25

Finding the Fourth Proportional to 29,139.06, 40,211.85 and 16,392.25

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Solution

The fourth proportional to 29,139.06, 40,211.85 and 16,392.25 is: 22,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.06 : 40,211.85 = 16,392.25 : x
  2. Step 2: Convert to fraction form
    29,139.06/40,211.85 = 16,392.25/x
  3. Step 3: Cross multiply
    29,139.06x = 40,211.85 × 16,392.25
  4. Step 4: Simplify right side
    29,139.06x = 659,162,793.60
  5. Step 5: Solve for x
    x = 659,162,793.60/29,139.06
  6. Step 6: Final answer
    x = 22,621.28

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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.