Home / 22,835.28-31,514.28-12,767.04

Finding the Fourth Proportional to 22,835.28, 31,514.28 and 12,767.04

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Solution

The fourth proportional to 22,835.28, 31,514.28 and 12,767.04 is: 17,619.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,835.28 : 31,514.28 = 12,767.04 : x
  2. Step 2: Convert to fraction form
    22,835.28/31,514.28 = 12,767.04/x
  3. Step 3: Cross multiply
    22,835.28x = 31,514.28 × 12,767.04
  4. Step 4: Simplify right side
    22,835.28x = 402,344,073.33
  5. Step 5: Solve for x
    x = 402,344,073.33/22,835.28
  6. Step 6: Final answer
    x = 17,619.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.