Home / 28,981.35-39,995.25-16,234.38

Finding the Fourth Proportional to 28,981.35, 39,995.25 and 16,234.38

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Solution

The fourth proportional to 28,981.35, 39,995.25 and 16,234.38 is: 22,404.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.35 : 39,995.25 = 16,234.38 : x
  2. Step 2: Convert to fraction form
    28,981.35/39,995.25 = 16,234.38/x
  3. Step 3: Cross multiply
    28,981.35x = 39,995.25 × 16,234.38
  4. Step 4: Simplify right side
    28,981.35x = 649,298,086.70
  5. Step 5: Solve for x
    x = 649,298,086.70/28,981.35
  6. Step 6: Final answer
    x = 22,404.00

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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.