Home / 28,202.46-42,287.49-18,853.17

Finding the Fourth Proportional to 28,202.46, 42,287.49 and 18,853.17

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Solution

The fourth proportional to 28,202.46, 42,287.49 and 18,853.17 is: 28,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202.46 : 42,287.49 = 18,853.17 : x
  2. Step 2: Convert to fraction form
    28,202.46/42,287.49 = 18,853.17/x
  3. Step 3: Cross multiply
    28,202.46x = 42,287.49 × 18,853.17
  4. Step 4: Simplify right side
    28,202.46x = 797,253,237.84
  5. Step 5: Solve for x
    x = 797,253,237.84/28,202.46
  6. Step 6: Final answer
    x = 28,268.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.