Home / 29,278.43-43,917.75-7,091.76

Finding the Fourth Proportional to 29,278.43, 43,917.75 and 7,091.76

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Solution

The fourth proportional to 29,278.43, 43,917.75 and 7,091.76 is: 10,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,278.43 : 43,917.75 = 7,091.76 : x
  2. Step 2: Convert to fraction form
    29,278.43/43,917.75 = 7,091.76/x
  3. Step 3: Cross multiply
    29,278.43x = 43,917.75 × 7,091.76
  4. Step 4: Simplify right side
    29,278.43x = 311,454,142.74
  5. Step 5: Solve for x
    x = 311,454,142.74/29,278.43
  6. Step 6: Final answer
    x = 10,637.67

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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.