Home / 28,689.95-39,595.83-16,114.70

Finding the Fourth Proportional to 28,689.95, 39,595.83 and 16,114.70

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Solution

The fourth proportional to 28,689.95, 39,595.83 and 16,114.70 is: 22,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,689.95 : 39,595.83 = 16,114.70 : x
  2. Step 2: Convert to fraction form
    28,689.95/39,595.83 = 16,114.70/x
  3. Step 3: Cross multiply
    28,689.95x = 39,595.83 × 16,114.70
  4. Step 4: Simplify right side
    28,689.95x = 638,074,723.72
  5. Step 5: Solve for x
    x = 638,074,723.72/28,689.95
  6. Step 6: Final answer
    x = 22,240.36

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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.