Home / 26,928.10-40,391.56-7,206.66

Finding the Fourth Proportional to 26,928.10, 40,391.56 and 7,206.66

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Solution

The fourth proportional to 26,928.10, 40,391.56 and 7,206.66 is: 10,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.10 : 40,391.56 = 7,206.66 : x
  2. Step 2: Convert to fraction form
    26,928.10/40,391.56 = 7,206.66/x
  3. Step 3: Cross multiply
    26,928.10x = 40,391.56 × 7,206.66
  4. Step 4: Simplify right side
    26,928.10x = 291,088,239.79
  5. Step 5: Solve for x
    x = 291,088,239.79/26,928.10
  6. Step 6: Final answer
    x = 10,809.83

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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.