Home / 26,618.31-36,735.09-15,440.31

Finding the Fourth Proportional to 26,618.31, 36,735.09 and 15,440.31

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Solution

The fourth proportional to 26,618.31, 36,735.09 and 15,440.31 is: 21,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,618.31 : 36,735.09 = 15,440.31 : x
  2. Step 2: Convert to fraction form
    26,618.31/36,735.09 = 15,440.31/x
  3. Step 3: Cross multiply
    26,618.31x = 36,735.09 × 15,440.31
  4. Step 4: Simplify right side
    26,618.31x = 567,201,177.48
  5. Step 5: Solve for x
    x = 567,201,177.48/26,618.31
  6. Step 6: Final answer
    x = 21,308.68

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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.