Home / 28,947.92-39,942.95-17,013.65

Finding the Fourth Proportional to 28,947.92, 39,942.95 and 17,013.65

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Solution

The fourth proportional to 28,947.92, 39,942.95 and 17,013.65 is: 23,475.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.92 : 39,942.95 = 17,013.65 : x
  2. Step 2: Convert to fraction form
    28,947.92/39,942.95 = 17,013.65/x
  3. Step 3: Cross multiply
    28,947.92x = 39,942.95 × 17,013.65
  4. Step 4: Simplify right side
    28,947.92x = 679,575,386.06
  5. Step 5: Solve for x
    x = 679,575,386.06/28,947.92
  6. Step 6: Final answer
    x = 23,475.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.