Home / 29,575.80-40,815-16,146.90

Finding the Fourth Proportional to 29,575.80, 40,815 and 16,146.90

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Solution

The fourth proportional to 29,575.80, 40,815 and 16,146.90 is: 22,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,575.80 : 40,815 = 16,146.90 : x
  2. Step 2: Convert to fraction form
    29,575.80/40,815 = 16,146.90/x
  3. Step 3: Cross multiply
    29,575.80x = 40,815 × 16,146.90
  4. Step 4: Simplify right side
    29,575.80x = 659,035,723.50
  5. Step 5: Solve for x
    x = 659,035,723.50/29,575.80
  6. Step 6: Final answer
    x = 22,282.94

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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.