Home / 17,076.28-25,618.40-5,389.20

Finding the Fourth Proportional to 17,076.28, 25,618.40 and 5,389.20

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Solution

The fourth proportional to 17,076.28, 25,618.40 and 5,389.20 is: 8,085.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,076.28 : 25,618.40 = 5,389.20 : x
  2. Step 2: Convert to fraction form
    17,076.28/25,618.40 = 5,389.20/x
  3. Step 3: Cross multiply
    17,076.28x = 25,618.40 × 5,389.20
  4. Step 4: Simplify right side
    17,076.28x = 138,062,681.28
  5. Step 5: Solve for x
    x = 138,062,681.28/17,076.28
  6. Step 6: Final answer
    x = 8,085.06

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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.