Home / 38,287.22-52,833.72-21,290.12

Finding the Fourth Proportional to 38,287.22, 52,833.72 and 21,290.12

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Solution

The fourth proportional to 38,287.22, 52,833.72 and 21,290.12 is: 29,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,287.22 : 52,833.72 = 21,290.12 : x
  2. Step 2: Convert to fraction form
    38,287.22/52,833.72 = 21,290.12/x
  3. Step 3: Cross multiply
    38,287.22x = 52,833.72 × 21,290.12
  4. Step 4: Simplify right side
    38,287.22x = 1,124,836,238.85
  5. Step 5: Solve for x
    x = 1,124,836,238.85/38,287.22
  6. Step 6: Final answer
    x = 29,378.90

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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.