Home / 15,426.27-23,139.47-3,739.47

Finding the Fourth Proportional to 15,426.27, 23,139.47 and 3,739.47

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Solution

The fourth proportional to 15,426.27, 23,139.47 and 3,739.47 is: 5,609.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.27 : 23,139.47 = 3,739.47 : x
  2. Step 2: Convert to fraction form
    15,426.27/23,139.47 = 3,739.47/x
  3. Step 3: Cross multiply
    15,426.27x = 23,139.47 × 3,739.47
  4. Step 4: Simplify right side
    15,426.27x = 86,529,335.18
  5. Step 5: Solve for x
    x = 86,529,335.18/15,426.27
  6. Step 6: Final answer
    x = 5,609.22

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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.