Home / 24,427.40-36,641.10-20,490.80

Finding the Fourth Proportional to 24,427.40, 36,641.10 and 20,490.80

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Solution

The fourth proportional to 24,427.40, 36,641.10 and 20,490.80 is: 30,736.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,427.40 : 36,641.10 = 20,490.80 : x
  2. Step 2: Convert to fraction form
    24,427.40/36,641.10 = 20,490.80/x
  3. Step 3: Cross multiply
    24,427.40x = 36,641.10 × 20,490.80
  4. Step 4: Simplify right side
    24,427.40x = 750,805,451.88
  5. Step 5: Solve for x
    x = 750,805,451.88/24,427.40
  6. Step 6: Final answer
    x = 30,736.20

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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.