Home / 28,718.06-43,073.66-7,659.68

Finding the Fourth Proportional to 28,718.06, 43,073.66 and 7,659.68

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Solution

The fourth proportional to 28,718.06, 43,073.66 and 7,659.68 is: 11,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,718.06 : 43,073.66 = 7,659.68 : x
  2. Step 2: Convert to fraction form
    28,718.06/43,073.66 = 7,659.68/x
  3. Step 3: Cross multiply
    28,718.06x = 43,073.66 × 7,659.68
  4. Step 4: Simplify right side
    28,718.06x = 329,930,255.81
  5. Step 5: Solve for x
    x = 329,930,255.81/28,718.06
  6. Step 6: Final answer
    x = 11,488.60

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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.