Home / 25,749.72-38,614.86-11,889

Finding the Fourth Proportional to 25,749.72, 38,614.86 and 11,889

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Solution

The fourth proportional to 25,749.72, 38,614.86 and 11,889 is: 17,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.72 : 38,614.86 = 11,889 : x
  2. Step 2: Convert to fraction form
    25,749.72/38,614.86 = 11,889/x
  3. Step 3: Cross multiply
    25,749.72x = 38,614.86 × 11,889
  4. Step 4: Simplify right side
    25,749.72x = 459,092,070.54
  5. Step 5: Solve for x
    x = 459,092,070.54/25,749.72
  6. Step 6: Final answer
    x = 17,829.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.