Home / 21,944.92-32,918.19-10,255

Finding the Fourth Proportional to 21,944.92, 32,918.19 and 10,255

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Solution

The fourth proportional to 21,944.92, 32,918.19 and 10,255 is: 15,382.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,944.92 : 32,918.19 = 10,255 : x
  2. Step 2: Convert to fraction form
    21,944.92/32,918.19 = 10,255/x
  3. Step 3: Cross multiply
    21,944.92x = 32,918.19 × 10,255
  4. Step 4: Simplify right side
    21,944.92x = 337,576,038.45
  5. Step 5: Solve for x
    x = 337,576,038.45/21,944.92
  6. Step 6: Final answer
    x = 15,382.88

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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.