Home / 28,521.56-39,366-16,591.76

Finding the Fourth Proportional to 28,521.56, 39,366 and 16,591.76

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Solution

The fourth proportional to 28,521.56, 39,366 and 16,591.76 is: 22,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,521.56 : 39,366 = 16,591.76 : x
  2. Step 2: Convert to fraction form
    28,521.56/39,366 = 16,591.76/x
  3. Step 3: Cross multiply
    28,521.56x = 39,366 × 16,591.76
  4. Step 4: Simplify right side
    28,521.56x = 653,151,224.16
  5. Step 5: Solve for x
    x = 653,151,224.16/28,521.56
  6. Step 6: Final answer
    x = 22,900.26

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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.