Home / 19,732.76-27,230.75-10,780.31

Finding the Fourth Proportional to 19,732.76, 27,230.75 and 10,780.31

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Solution

The fourth proportional to 19,732.76, 27,230.75 and 10,780.31 is: 14,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.76 : 27,230.75 = 10,780.31 : x
  2. Step 2: Convert to fraction form
    19,732.76/27,230.75 = 10,780.31/x
  3. Step 3: Cross multiply
    19,732.76x = 27,230.75 × 10,780.31
  4. Step 4: Simplify right side
    19,732.76x = 293,555,736.48
  5. Step 5: Solve for x
    x = 293,555,736.48/19,732.76
  6. Step 6: Final answer
    x = 14,876.57

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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.