Home / 28,891.35-43,343.10-16,401.15

Finding the Fourth Proportional to 28,891.35, 43,343.10 and 16,401.15

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Solution

The fourth proportional to 28,891.35, 43,343.10 and 16,401.15 is: 24,605.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,891.35 : 43,343.10 = 16,401.15 : x
  2. Step 2: Convert to fraction form
    28,891.35/43,343.10 = 16,401.15/x
  3. Step 3: Cross multiply
    28,891.35x = 43,343.10 × 16,401.15
  4. Step 4: Simplify right side
    28,891.35x = 710,876,684.57
  5. Step 5: Solve for x
    x = 710,876,684.57/28,891.35
  6. Step 6: Final answer
    x = 24,605.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.