Home / 21,589.44-32,377.95-9,112.28

Finding the Fourth Proportional to 21,589.44, 32,377.95 and 9,112.28

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Solution

The fourth proportional to 21,589.44, 32,377.95 and 9,112.28 is: 13,665.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.44 : 32,377.95 = 9,112.28 : x
  2. Step 2: Convert to fraction form
    21,589.44/32,377.95 = 9,112.28/x
  3. Step 3: Cross multiply
    21,589.44x = 32,377.95 × 9,112.28
  4. Step 4: Simplify right side
    21,589.44x = 295,036,784.34
  5. Step 5: Solve for x
    x = 295,036,784.34/21,589.44
  6. Step 6: Final answer
    x = 13,665.79

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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.