Home / 26,144.16-39,221.70-10,561.78

Finding the Fourth Proportional to 26,144.16, 39,221.70 and 10,561.78

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Solution

The fourth proportional to 26,144.16, 39,221.70 and 10,561.78 is: 15,844.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,144.16 : 39,221.70 = 10,561.78 : x
  2. Step 2: Convert to fraction form
    26,144.16/39,221.70 = 10,561.78/x
  3. Step 3: Cross multiply
    26,144.16x = 39,221.70 × 10,561.78
  4. Step 4: Simplify right side
    26,144.16x = 414,250,966.63
  5. Step 5: Solve for x
    x = 414,250,966.63/26,144.16
  6. Step 6: Final answer
    x = 15,844.88

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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.