Home / 29,428.85-40,611.92-16,000.07

Finding the Fourth Proportional to 29,428.85, 40,611.92 and 16,000.07

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Solution

The fourth proportional to 29,428.85, 40,611.92 and 16,000.07 is: 22,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,428.85 : 40,611.92 = 16,000.07 : x
  2. Step 2: Convert to fraction form
    29,428.85/40,611.92 = 16,000.07/x
  3. Step 3: Cross multiply
    29,428.85x = 40,611.92 × 16,000.07
  4. Step 4: Simplify right side
    29,428.85x = 649,793,279.77
  5. Step 5: Solve for x
    x = 649,793,279.77/29,428.85
  6. Step 6: Final answer
    x = 22,080.14

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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.