Home / 26,934.36-40,400.76-7,212.88

Finding the Fourth Proportional to 26,934.36, 40,400.76 and 7,212.88

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Solution

The fourth proportional to 26,934.36, 40,400.76 and 7,212.88 is: 10,819.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,934.36 : 40,400.76 = 7,212.88 : x
  2. Step 2: Convert to fraction form
    26,934.36/40,400.76 = 7,212.88/x
  3. Step 3: Cross multiply
    26,934.36x = 40,400.76 × 7,212.88
  4. Step 4: Simplify right side
    26,934.36x = 291,405,833.79
  5. Step 5: Solve for x
    x = 291,405,833.79/26,934.36
  6. Step 6: Final answer
    x = 10,819.11

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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.