Home / 86,426.86-129,640.25-27,267.16

Finding the Fourth Proportional to 86,426.86, 129,640.25 and 27,267.16

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Solution

The fourth proportional to 86,426.86, 129,640.25 and 27,267.16 is: 40,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,426.86 : 129,640.25 = 27,267.16 : x
  2. Step 2: Convert to fraction form
    86,426.86/129,640.25 = 27,267.16/x
  3. Step 3: Cross multiply
    86,426.86x = 129,640.25 × 27,267.16
  4. Step 4: Simplify right side
    86,426.86x = 3,534,921,183.26
  5. Step 5: Solve for x
    x = 3,534,921,183.26/86,426.86
  6. Step 6: Final answer
    x = 40,900.73

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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.