Home / 25,989.66-38,995.29-14,301.90

Finding the Fourth Proportional to 25,989.66, 38,995.29 and 14,301.90

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Solution

The fourth proportional to 25,989.66, 38,995.29 and 14,301.90 is: 21,458.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989.66 : 38,995.29 = 14,301.90 : x
  2. Step 2: Convert to fraction form
    25,989.66/38,995.29 = 14,301.90/x
  3. Step 3: Cross multiply
    25,989.66x = 38,995.29 × 14,301.90
  4. Step 4: Simplify right side
    25,989.66x = 557,706,738.05
  5. Step 5: Solve for x
    x = 557,706,738.05/25,989.66
  6. Step 6: Final answer
    x = 21,458.79

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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.