Home / 28,182.56-38,889.24-16,849.80

Finding the Fourth Proportional to 28,182.56, 38,889.24 and 16,849.80

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Solution

The fourth proportional to 28,182.56, 38,889.24 and 16,849.80 is: 23,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.56 : 38,889.24 = 16,849.80 : x
  2. Step 2: Convert to fraction form
    28,182.56/38,889.24 = 16,849.80/x
  3. Step 3: Cross multiply
    28,182.56x = 38,889.24 × 16,849.80
  4. Step 4: Simplify right side
    28,182.56x = 655,275,916.15
  5. Step 5: Solve for x
    x = 655,275,916.15/28,182.56
  6. Step 6: Final answer
    x = 23,251.11

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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.