Home / 28,165.20-42,441.54-23,343.36

Finding the Fourth Proportional to 28,165.20, 42,441.54 and 23,343.36

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Solution

The fourth proportional to 28,165.20, 42,441.54 and 23,343.36 is: 35,175.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,165.20 : 42,441.54 = 23,343.36 : x
  2. Step 2: Convert to fraction form
    28,165.20/42,441.54 = 23,343.36/x
  3. Step 3: Cross multiply
    28,165.20x = 42,441.54 × 23,343.36
  4. Step 4: Simplify right side
    28,165.20x = 990,728,147.17
  5. Step 5: Solve for x
    x = 990,728,147.17/28,165.20
  6. Step 6: Final answer
    x = 35,175.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.