Home / 20,234.51-27,923.72-11,282.39

Finding the Fourth Proportional to 20,234.51, 27,923.72 and 11,282.39

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Solution

The fourth proportional to 20,234.51, 27,923.72 and 11,282.39 is: 15,569.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.51 : 27,923.72 = 11,282.39 : x
  2. Step 2: Convert to fraction form
    20,234.51/27,923.72 = 11,282.39/x
  3. Step 3: Cross multiply
    20,234.51x = 27,923.72 × 11,282.39
  4. Step 4: Simplify right side
    20,234.51x = 315,046,159.67
  5. Step 5: Solve for x
    x = 315,046,159.67/20,234.51
  6. Step 6: Final answer
    x = 15,569.75

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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.