Home / 15,426.02-23,139.12-3,739.22

Finding the Fourth Proportional to 15,426.02, 23,139.12 and 3,739.22

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Solution

The fourth proportional to 15,426.02, 23,139.12 and 3,739.22 is: 5,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.02 : 23,139.12 = 3,739.22 : x
  2. Step 2: Convert to fraction form
    15,426.02/23,139.12 = 3,739.22/x
  3. Step 3: Cross multiply
    15,426.02x = 23,139.12 × 3,739.22
  4. Step 4: Simplify right side
    15,426.02x = 86,522,260.29
  5. Step 5: Solve for x
    x = 86,522,260.29/15,426.02
  6. Step 6: Final answer
    x = 5,608.85

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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.