Home / 26,086.23-39,129.33-10,500.21

Finding the Fourth Proportional to 26,086.23, 39,129.33 and 10,500.21

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Solution

The fourth proportional to 26,086.23, 39,129.33 and 10,500.21 is: 15,750.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,086.23 : 39,129.33 = 10,500.21 : x
  2. Step 2: Convert to fraction form
    26,086.23/39,129.33 = 10,500.21/x
  3. Step 3: Cross multiply
    26,086.23x = 39,129.33 × 10,500.21
  4. Step 4: Simplify right side
    26,086.23x = 410,866,182.16
  5. Step 5: Solve for x
    x = 410,866,182.16/26,086.23
  6. Step 6: Final answer
    x = 15,750.31

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Double scale
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Similar ratio
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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.