Home / 28,232.22-38,960.67-19,279.49

Finding the Fourth Proportional to 28,232.22, 38,960.67 and 19,279.49

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Solution

The fourth proportional to 28,232.22, 38,960.67 and 19,279.49 is: 26,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.22 : 38,960.67 = 19,279.49 : x
  2. Step 2: Convert to fraction form
    28,232.22/38,960.67 = 19,279.49/x
  3. Step 3: Cross multiply
    28,232.22x = 38,960.67 × 19,279.49
  4. Step 4: Simplify right side
    28,232.22x = 751,141,652.85
  5. Step 5: Solve for x
    x = 751,141,652.85/28,232.22
  6. Step 6: Final answer
    x = 26,605.83

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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.