Home / 17,921.54-26,882.44-10,128.52

Finding the Fourth Proportional to 17,921.54, 26,882.44 and 10,128.52

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Solution

The fourth proportional to 17,921.54, 26,882.44 and 10,128.52 is: 15,192.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.54 : 26,882.44 = 10,128.52 : x
  2. Step 2: Convert to fraction form
    17,921.54/26,882.44 = 10,128.52/x
  3. Step 3: Cross multiply
    17,921.54x = 26,882.44 × 10,128.52
  4. Step 4: Simplify right side
    17,921.54x = 272,279,331.19
  5. Step 5: Solve for x
    x = 272,279,331.19/17,921.54
  6. Step 6: Final answer
    x = 15,192.85

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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.