Home / 15,426.29-23,139.43-3,739.51

Finding the Fourth Proportional to 15,426.29, 23,139.43 and 3,739.51

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Solution

The fourth proportional to 15,426.29, 23,139.43 and 3,739.51 is: 5,609.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.29 : 23,139.43 = 3,739.51 : x
  2. Step 2: Convert to fraction form
    15,426.29/23,139.43 = 3,739.51/x
  3. Step 3: Cross multiply
    15,426.29x = 23,139.43 × 3,739.51
  4. Step 4: Simplify right side
    15,426.29x = 86,530,129.88
  5. Step 5: Solve for x
    x = 86,530,129.88/15,426.29
  6. Step 6: Final answer
    x = 5,609.26

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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.