Home / 28,642.60-39,517.84-16,541.53

Finding the Fourth Proportional to 28,642.60, 39,517.84 and 16,541.53

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Solution

The fourth proportional to 28,642.60, 39,517.84 and 16,541.53 is: 22,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642.60 : 39,517.84 = 16,541.53 : x
  2. Step 2: Convert to fraction form
    28,642.60/39,517.84 = 16,541.53/x
  3. Step 3: Cross multiply
    28,642.60x = 39,517.84 × 16,541.53
  4. Step 4: Simplify right side
    28,642.60x = 653,685,535.90
  5. Step 5: Solve for x
    x = 653,685,535.90/28,642.60
  6. Step 6: Final answer
    x = 22,822.14

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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.