Home / 21,939.28-32,896.76-10,246.12

Finding the Fourth Proportional to 21,939.28, 32,896.76 and 10,246.12

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Solution

The fourth proportional to 21,939.28, 32,896.76 and 10,246.12 is: 15,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,939.28 : 32,896.76 = 10,246.12 : x
  2. Step 2: Convert to fraction form
    21,939.28/32,896.76 = 10,246.12/x
  3. Step 3: Cross multiply
    21,939.28x = 32,896.76 × 10,246.12
  4. Step 4: Simplify right side
    21,939.28x = 337,064,017.10
  5. Step 5: Solve for x
    x = 337,064,017.10/21,939.28
  6. Step 6: Final answer
    x = 15,363.50

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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.