Home / 24,621.20-36,888.60-20,214.80

Finding the Fourth Proportional to 24,621.20, 36,888.60 and 20,214.80

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Solution

The fourth proportional to 24,621.20, 36,888.60 and 20,214.80 is: 30,286.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,621.20 : 36,888.60 = 20,214.80 : x
  2. Step 2: Convert to fraction form
    24,621.20/36,888.60 = 20,214.80/x
  3. Step 3: Cross multiply
    24,621.20x = 36,888.60 × 20,214.80
  4. Step 4: Simplify right side
    24,621.20x = 745,695,671.28
  5. Step 5: Solve for x
    x = 745,695,671.28/24,621.20
  6. Step 6: Final answer
    x = 30,286.73

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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.