Home / 17,878.34-26,815.19-4,731.72

Finding the Fourth Proportional to 17,878.34, 26,815.19 and 4,731.72

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Solution

The fourth proportional to 17,878.34, 26,815.19 and 4,731.72 is: 7,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,878.34 : 26,815.19 = 4,731.72 : x
  2. Step 2: Convert to fraction form
    17,878.34/26,815.19 = 4,731.72/x
  3. Step 3: Cross multiply
    17,878.34x = 26,815.19 × 4,731.72
  4. Step 4: Simplify right side
    17,878.34x = 126,881,947.17
  5. Step 5: Solve for x
    x = 126,881,947.17/17,878.34
  6. Step 6: Final answer
    x = 7,096.97

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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.