Home / 26,629.30-39,902.89-13,104.95

Finding the Fourth Proportional to 26,629.30, 39,902.89 and 13,104.95

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Solution

The fourth proportional to 26,629.30, 39,902.89 and 13,104.95 is: 19,637.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,629.30 : 39,902.89 = 13,104.95 : x
  2. Step 2: Convert to fraction form
    26,629.30/39,902.89 = 13,104.95/x
  3. Step 3: Cross multiply
    26,629.30x = 39,902.89 × 13,104.95
  4. Step 4: Simplify right side
    26,629.30x = 522,925,378.31
  5. Step 5: Solve for x
    x = 522,925,378.31/26,629.30
  6. Step 6: Final answer
    x = 19,637.22

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1.5x scale

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.