Home / 28,710.30-43,016.24-22,805.40

Finding the Fourth Proportional to 28,710.30, 43,016.24 and 22,805.40

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Solution

The fourth proportional to 28,710.30, 43,016.24 and 22,805.40 is: 34,169.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,710.30 : 43,016.24 = 22,805.40 : x
  2. Step 2: Convert to fraction form
    28,710.30/43,016.24 = 22,805.40/x
  3. Step 3: Cross multiply
    28,710.30x = 43,016.24 × 22,805.40
  4. Step 4: Simplify right side
    28,710.30x = 981,002,445.67
  5. Step 5: Solve for x
    x = 981,002,445.67/28,710.30
  6. Step 6: Final answer
    x = 34,169.01

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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.