Home / 28,789.95-43,176.72-18,244.06

Finding the Fourth Proportional to 28,789.95, 43,176.72 and 18,244.06

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Solution

The fourth proportional to 28,789.95, 43,176.72 and 18,244.06 is: 27,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,789.95 : 43,176.72 = 18,244.06 : x
  2. Step 2: Convert to fraction form
    28,789.95/43,176.72 = 18,244.06/x
  3. Step 3: Cross multiply
    28,789.95x = 43,176.72 × 18,244.06
  4. Step 4: Simplify right side
    28,789.95x = 787,718,630.76
  5. Step 5: Solve for x
    x = 787,718,630.76/28,789.95
  6. Step 6: Final answer
    x = 27,360.89

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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.