Home / 26,643.80-39,908.10-23,725.40

Finding the Fourth Proportional to 26,643.80, 39,908.10 and 23,725.40

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Solution

The fourth proportional to 26,643.80, 39,908.10 and 23,725.40 is: 35,536.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.80 : 39,908.10 = 23,725.40 : x
  2. Step 2: Convert to fraction form
    26,643.80/39,908.10 = 23,725.40/x
  3. Step 3: Cross multiply
    26,643.80x = 39,908.10 × 23,725.40
  4. Step 4: Simplify right side
    26,643.80x = 946,835,635.74
  5. Step 5: Solve for x
    x = 946,835,635.74/26,643.80
  6. Step 6: Final answer
    x = 35,536.81

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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.