Home / 22,649.87-33,988.17-8,621.70

Finding the Fourth Proportional to 22,649.87, 33,988.17 and 8,621.70

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Solution

The fourth proportional to 22,649.87, 33,988.17 and 8,621.70 is: 12,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,649.87 : 33,988.17 = 8,621.70 : x
  2. Step 2: Convert to fraction form
    22,649.87/33,988.17 = 8,621.70/x
  3. Step 3: Cross multiply
    22,649.87x = 33,988.17 × 8,621.70
  4. Step 4: Simplify right side
    22,649.87x = 293,035,762.18
  5. Step 5: Solve for x
    x = 293,035,762.18/22,649.87
  6. Step 6: Final answer
    x = 12,937.64

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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.