Home / 28,691.82-39,598.43-16,116.57

Finding the Fourth Proportional to 28,691.82, 39,598.43 and 16,116.57

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Solution

The fourth proportional to 28,691.82, 39,598.43 and 16,116.57 is: 22,242.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691.82 : 39,598.43 = 16,116.57 : x
  2. Step 2: Convert to fraction form
    28,691.82/39,598.43 = 16,116.57/x
  3. Step 3: Cross multiply
    28,691.82x = 39,598.43 × 16,116.57
  4. Step 4: Simplify right side
    28,691.82x = 638,190,788.40
  5. Step 5: Solve for x
    x = 638,190,788.40/28,691.82
  6. Step 6: Final answer
    x = 22,242.95

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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.