Home / 28,689.76-39,591.84-16,114.56

Finding the Fourth Proportional to 28,689.76, 39,591.84 and 16,114.56

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Solution

The fourth proportional to 28,689.76, 39,591.84 and 16,114.56 is: 22,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689.76 : 39,591.84 = 16,114.56 : x
  2. Step 2: Convert to fraction form
    28,689.76/39,591.84 = 16,114.56/x
  3. Step 3: Cross multiply
    28,689.76x = 39,591.84 × 16,114.56
  4. Step 4: Simplify right side
    28,689.76x = 638,005,081.19
  5. Step 5: Solve for x
    x = 638,005,081.19/28,689.76
  6. Step 6: Final answer
    x = 22,238.08

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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.