Home / 26,921.07-40,381.77-9,390.92

Finding the Fourth Proportional to 26,921.07, 40,381.77 and 9,390.92

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Solution

The fourth proportional to 26,921.07, 40,381.77 and 9,390.92 is: 14,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.07 : 40,381.77 = 9,390.92 : x
  2. Step 2: Convert to fraction form
    26,921.07/40,381.77 = 9,390.92/x
  3. Step 3: Cross multiply
    26,921.07x = 40,381.77 × 9,390.92
  4. Step 4: Simplify right side
    26,921.07x = 379,221,769.62
  5. Step 5: Solve for x
    x = 379,221,769.62/26,921.07
  6. Step 6: Final answer
    x = 14,086.43

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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.