Home / 25,918.01-38,829.79-18,003.79

Finding the Fourth Proportional to 25,918.01, 38,829.79 and 18,003.79

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Solution

The fourth proportional to 25,918.01, 38,829.79 and 18,003.79 is: 26,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,918.01 : 38,829.79 = 18,003.79 : x
  2. Step 2: Convert to fraction form
    25,918.01/38,829.79 = 18,003.79/x
  3. Step 3: Cross multiply
    25,918.01x = 38,829.79 × 18,003.79
  4. Step 4: Simplify right side
    25,918.01x = 699,083,100.74
  5. Step 5: Solve for x
    x = 699,083,100.74/25,918.01
  6. Step 6: Final answer
    x = 26,972.87

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1.5x scale

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.