Home / 17,758.68-26,635.65-5,278.47

Finding the Fourth Proportional to 17,758.68, 26,635.65 and 5,278.47

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Solution

The fourth proportional to 17,758.68, 26,635.65 and 5,278.47 is: 7,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,758.68 : 26,635.65 = 5,278.47 : x
  2. Step 2: Convert to fraction form
    17,758.68/26,635.65 = 5,278.47/x
  3. Step 3: Cross multiply
    17,758.68x = 26,635.65 × 5,278.47
  4. Step 4: Simplify right side
    17,758.68x = 140,595,479.46
  5. Step 5: Solve for x
    x = 140,595,479.46/17,758.68
  6. Step 6: Final answer
    x = 7,917.00

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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.