Home / 28,947.54-39,934.92-17,005.49

Finding the Fourth Proportional to 28,947.54, 39,934.92 and 17,005.49

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Solution

The fourth proportional to 28,947.54, 39,934.92 and 17,005.49 is: 23,460.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.54 : 39,934.92 = 17,005.49 : x
  2. Step 2: Convert to fraction form
    28,947.54/39,934.92 = 17,005.49/x
  3. Step 3: Cross multiply
    28,947.54x = 39,934.92 × 17,005.49
  4. Step 4: Simplify right side
    28,947.54x = 679,112,896.56
  5. Step 5: Solve for x
    x = 679,112,896.56/28,947.54
  6. Step 6: Final answer
    x = 23,460.12

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1.5x scale

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.