Home / 23,420.80-35,124-8,631.04

Finding the Fourth Proportional to 23,420.80, 35,124 and 8,631.04

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Solution

The fourth proportional to 23,420.80, 35,124 and 8,631.04 is: 12,943.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,420.80 : 35,124 = 8,631.04 : x
  2. Step 2: Convert to fraction form
    23,420.80/35,124 = 8,631.04/x
  3. Step 3: Cross multiply
    23,420.80x = 35,124 × 8,631.04
  4. Step 4: Simplify right side
    23,420.80x = 303,156,648.96
  5. Step 5: Solve for x
    x = 303,156,648.96/23,420.80
  6. Step 6: Final answer
    x = 12,943.91

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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.