Home / 21,838.43-32,767.41-11,447.75

Finding the Fourth Proportional to 21,838.43, 32,767.41 and 11,447.75

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Solution

The fourth proportional to 21,838.43, 32,767.41 and 11,447.75 is: 17,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,838.43 : 32,767.41 = 11,447.75 : x
  2. Step 2: Convert to fraction form
    21,838.43/32,767.41 = 11,447.75/x
  3. Step 3: Cross multiply
    21,838.43x = 32,767.41 × 11,447.75
  4. Step 4: Simplify right side
    21,838.43x = 375,113,117.83
  5. Step 5: Solve for x
    x = 375,113,117.83/21,838.43
  6. Step 6: Final answer
    x = 17,176.74

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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.