Home / 26,631.46-39,933.28-7,908.92

Finding the Fourth Proportional to 26,631.46, 39,933.28 and 7,908.92

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Solution

The fourth proportional to 26,631.46, 39,933.28 and 7,908.92 is: 11,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,631.46 : 39,933.28 = 7,908.92 : x
  2. Step 2: Convert to fraction form
    26,631.46/39,933.28 = 7,908.92/x
  3. Step 3: Cross multiply
    26,631.46x = 39,933.28 × 7,908.92
  4. Step 4: Simplify right side
    26,631.46x = 315,829,116.86
  5. Step 5: Solve for x
    x = 315,829,116.86/26,631.46
  6. Step 6: Final answer
    x = 11,859.25

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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.