Home / 28,947.16-39,950.58-16,369.48

Finding the Fourth Proportional to 28,947.16, 39,950.58 and 16,369.48

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Solution

The fourth proportional to 28,947.16, 39,950.58 and 16,369.48 is: 22,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,947.16 : 39,950.58 = 16,369.48 : x
  2. Step 2: Convert to fraction form
    28,947.16/39,950.58 = 16,369.48/x
  3. Step 3: Cross multiply
    28,947.16x = 39,950.58 × 16,369.48
  4. Step 4: Simplify right side
    28,947.16x = 653,970,220.30
  5. Step 5: Solve for x
    x = 653,970,220.30/28,947.16
  6. Step 6: Final answer
    x = 22,591.86

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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.