Home / 19,372.72-26,733.16-10,876

Finding the Fourth Proportional to 19,372.72, 26,733.16 and 10,876

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Solution

The fourth proportional to 19,372.72, 26,733.16 and 10,876 is: 15,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.72 : 26,733.16 = 10,876 : x
  2. Step 2: Convert to fraction form
    19,372.72/26,733.16 = 10,876/x
  3. Step 3: Cross multiply
    19,372.72x = 26,733.16 × 10,876
  4. Step 4: Simplify right side
    19,372.72x = 290,749,848.16
  5. Step 5: Solve for x
    x = 290,749,848.16/19,372.72
  6. Step 6: Final answer
    x = 15,008.21

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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.