Home / 28,159.38-38,796.22-23,115.62

Finding the Fourth Proportional to 28,159.38, 38,796.22 and 23,115.62

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Solution

The fourth proportional to 28,159.38, 38,796.22 and 23,115.62 is: 31,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159.38 : 38,796.22 = 23,115.62 : x
  2. Step 2: Convert to fraction form
    28,159.38/38,796.22 = 23,115.62/x
  3. Step 3: Cross multiply
    28,159.38x = 38,796.22 × 23,115.62
  4. Step 4: Simplify right side
    28,159.38x = 896,798,678.96
  5. Step 5: Solve for x
    x = 896,798,678.96/28,159.38
  6. Step 6: Final answer
    x = 31,847.25

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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.