Home / 26,726-36,881.76-15,391.36

Finding the Fourth Proportional to 26,726, 36,881.76 and 15,391.36

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Solution

The fourth proportional to 26,726, 36,881.76 and 15,391.36 is: 21,240.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,726 : 36,881.76 = 15,391.36 : x
  2. Step 2: Convert to fraction form
    26,726/36,881.76 = 15,391.36/x
  3. Step 3: Cross multiply
    26,726x = 36,881.76 × 15,391.36
  4. Step 4: Simplify right side
    26,726x = 567,660,445.59
  5. Step 5: Solve for x
    x = 567,660,445.59/26,726
  6. Step 6: Final answer
    x = 21,240.01

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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.