Home / 26,092.56-39,138.36-10,509.78

Finding the Fourth Proportional to 26,092.56, 39,138.36 and 10,509.78

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Solution

The fourth proportional to 26,092.56, 39,138.36 and 10,509.78 is: 15,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,092.56 : 39,138.36 = 10,509.78 : x
  2. Step 2: Convert to fraction form
    26,092.56/39,138.36 = 10,509.78/x
  3. Step 3: Cross multiply
    26,092.56x = 39,138.36 × 10,509.78
  4. Step 4: Simplify right side
    26,092.56x = 411,335,553.16
  5. Step 5: Solve for x
    x = 411,335,553.16/26,092.56
  6. Step 6: Final answer
    x = 15,764.48

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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.