Home / 29,428.29-40,611.84-16,000.45

Finding the Fourth Proportional to 29,428.29, 40,611.84 and 16,000.45

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Solution

The fourth proportional to 29,428.29, 40,611.84 and 16,000.45 is: 22,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428.29 : 40,611.84 = 16,000.45 : x
  2. Step 2: Convert to fraction form
    29,428.29/40,611.84 = 16,000.45/x
  3. Step 3: Cross multiply
    29,428.29x = 40,611.84 × 16,000.45
  4. Step 4: Simplify right side
    29,428.29x = 649,807,613.80
  5. Step 5: Solve for x
    x = 649,807,613.80/29,428.29
  6. Step 6: Final answer
    x = 22,081.05

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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.