Home / 28,158.38-38,794.84-23,114.62

Finding the Fourth Proportional to 28,158.38, 38,794.84 and 23,114.62

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Solution

The fourth proportional to 28,158.38, 38,794.84 and 23,114.62 is: 31,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,158.38 : 38,794.84 = 23,114.62 : x
  2. Step 2: Convert to fraction form
    28,158.38/38,794.84 = 23,114.62/x
  3. Step 3: Cross multiply
    28,158.38x = 38,794.84 × 23,114.62
  4. Step 4: Simplify right side
    28,158.38x = 896,727,877.27
  5. Step 5: Solve for x
    x = 896,727,877.27/28,158.38
  6. Step 6: Final answer
    x = 31,845.86

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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.