Home / 28,523.12-39,359.40-15,945.44

Finding the Fourth Proportional to 28,523.12, 39,359.40 and 15,945.44

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Solution

The fourth proportional to 28,523.12, 39,359.40 and 15,945.44 is: 22,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,523.12 : 39,359.40 = 15,945.44 : x
  2. Step 2: Convert to fraction form
    28,523.12/39,359.40 = 15,945.44/x
  3. Step 3: Cross multiply
    28,523.12x = 39,359.40 × 15,945.44
  4. Step 4: Simplify right side
    28,523.12x = 627,602,951.14
  5. Step 5: Solve for x
    x = 627,602,951.14/28,523.12
  6. Step 6: Final answer
    x = 22,003.31

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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.