Home / 28,219.32-38,934.78-22,232.41

Finding the Fourth Proportional to 28,219.32, 38,934.78 and 22,232.41

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Solution

The fourth proportional to 28,219.32, 38,934.78 and 22,232.41 is: 30,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.32 : 38,934.78 = 22,232.41 : x
  2. Step 2: Convert to fraction form
    28,219.32/38,934.78 = 22,232.41/x
  3. Step 3: Cross multiply
    28,219.32x = 38,934.78 × 22,232.41
  4. Step 4: Simplify right side
    28,219.32x = 865,613,992.22
  5. Step 5: Solve for x
    x = 865,613,992.22/28,219.32
  6. Step 6: Final answer
    x = 30,674.52

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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.