Home / 24,221.20-36,331.80-18,389.20

Finding the Fourth Proportional to 24,221.20, 36,331.80 and 18,389.20

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Solution

The fourth proportional to 24,221.20, 36,331.80 and 18,389.20 is: 27,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,221.20 : 36,331.80 = 18,389.20 : x
  2. Step 2: Convert to fraction form
    24,221.20/36,331.80 = 18,389.20/x
  3. Step 3: Cross multiply
    24,221.20x = 36,331.80 × 18,389.20
  4. Step 4: Simplify right side
    24,221.20x = 668,112,736.56
  5. Step 5: Solve for x
    x = 668,112,736.56/24,221.20
  6. Step 6: Final answer
    x = 27,583.80

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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.