Home / 24,139.20-36,212.40-8,555.60

Finding the Fourth Proportional to 24,139.20, 36,212.40 and 8,555.60

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Solution

The fourth proportional to 24,139.20, 36,212.40 and 8,555.60 is: 12,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,139.20 : 36,212.40 = 8,555.60 : x
  2. Step 2: Convert to fraction form
    24,139.20/36,212.40 = 8,555.60/x
  3. Step 3: Cross multiply
    24,139.20x = 36,212.40 × 8,555.60
  4. Step 4: Simplify right side
    24,139.20x = 309,818,809.44
  5. Step 5: Solve for x
    x = 309,818,809.44/24,139.20
  6. Step 6: Final answer
    x = 12,834.68

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