Home / 21,479.17-32,207.73-8,995.78

Finding the Fourth Proportional to 21,479.17, 32,207.73 and 8,995.78

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Solution

The fourth proportional to 21,479.17, 32,207.73 and 8,995.78 is: 13,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479.17 : 32,207.73 = 8,995.78 : x
  2. Step 2: Convert to fraction form
    21,479.17/32,207.73 = 8,995.78/x
  3. Step 3: Cross multiply
    21,479.17x = 32,207.73 × 8,995.78
  4. Step 4: Simplify right side
    21,479.17x = 289,733,653.38
  5. Step 5: Solve for x
    x = 289,733,653.38/21,479.17
  6. Step 6: Final answer
    x = 13,489.05

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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.