Home / 28,029.76-38,659.18-17,959.14

Finding the Fourth Proportional to 28,029.76, 38,659.18 and 17,959.14

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Solution

The fourth proportional to 28,029.76, 38,659.18 and 17,959.14 is: 24,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029.76 : 38,659.18 = 17,959.14 : x
  2. Step 2: Convert to fraction form
    28,029.76/38,659.18 = 17,959.14/x
  3. Step 3: Cross multiply
    28,029.76x = 38,659.18 × 17,959.14
  4. Step 4: Simplify right side
    28,029.76x = 694,285,625.91
  5. Step 5: Solve for x
    x = 694,285,625.91/28,029.76
  6. Step 6: Final answer
    x = 24,769.59

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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.