Home / 18,117.36-25,027.65-17,242.56

Finding the Fourth Proportional to 18,117.36, 25,027.65 and 17,242.56

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Solution

The fourth proportional to 18,117.36, 25,027.65 and 17,242.56 is: 23,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.36 : 25,027.65 = 17,242.56 : x
  2. Step 2: Convert to fraction form
    18,117.36/25,027.65 = 17,242.56/x
  3. Step 3: Cross multiply
    18,117.36x = 25,027.65 × 17,242.56
  4. Step 4: Simplify right side
    18,117.36x = 431,540,756.78
  5. Step 5: Solve for x
    x = 431,540,756.78/18,117.36
  6. Step 6: Final answer
    x = 23,819.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.