Home / 15,426.70-23,140.13-3,739.92

Finding the Fourth Proportional to 15,426.70, 23,140.13 and 3,739.92

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Solution

The fourth proportional to 15,426.70, 23,140.13 and 3,739.92 is: 5,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.70 : 23,140.13 = 3,739.92 : x
  2. Step 2: Convert to fraction form
    15,426.70/23,140.13 = 3,739.92/x
  3. Step 3: Cross multiply
    15,426.70x = 23,140.13 × 3,739.92
  4. Step 4: Simplify right side
    15,426.70x = 86,542,280.71
  5. Step 5: Solve for x
    x = 86,542,280.71/15,426.70
  6. Step 6: Final answer
    x = 5,609.90

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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.