Home / 19,733.30-27,231.60-10,780.57

Finding the Fourth Proportional to 19,733.30, 27,231.60 and 10,780.57

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Solution

The fourth proportional to 19,733.30, 27,231.60 and 10,780.57 is: 14,876.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,733.30 : 27,231.60 = 10,780.57 : x
  2. Step 2: Convert to fraction form
    19,733.30/27,231.60 = 10,780.57/x
  3. Step 3: Cross multiply
    19,733.30x = 27,231.60 × 10,780.57
  4. Step 4: Simplify right side
    19,733.30x = 293,572,170.01
  5. Step 5: Solve for x
    x = 293,572,170.01/19,733.30
  6. Step 6: Final answer
    x = 14,876.99

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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.