Home / 21,896.16-32,855.04-10,207.68

Finding the Fourth Proportional to 21,896.16, 32,855.04 and 10,207.68

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Solution

The fourth proportional to 21,896.16, 32,855.04 and 10,207.68 is: 15,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896.16 : 32,855.04 = 10,207.68 : x
  2. Step 2: Convert to fraction form
    21,896.16/32,855.04 = 10,207.68/x
  3. Step 3: Cross multiply
    21,896.16x = 32,855.04 × 10,207.68
  4. Step 4: Simplify right side
    21,896.16x = 335,373,734.71
  5. Step 5: Solve for x
    x = 335,373,734.71/21,896.16
  6. Step 6: Final answer
    x = 15,316.55

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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.