Home / 23,651.89-35,488.31-12,555.90

Finding the Fourth Proportional to 23,651.89, 35,488.31 and 12,555.90

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Solution

The fourth proportional to 23,651.89, 35,488.31 and 12,555.90 is: 18,839.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,651.89 : 35,488.31 = 12,555.90 : x
  2. Step 2: Convert to fraction form
    23,651.89/35,488.31 = 12,555.90/x
  3. Step 3: Cross multiply
    23,651.89x = 35,488.31 × 12,555.90
  4. Step 4: Simplify right side
    23,651.89x = 445,587,671.53
  5. Step 5: Solve for x
    x = 445,587,671.53/23,651.89
  6. Step 6: Final answer
    x = 18,839.41

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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.