Home / 26,220.80-39,351-17,881.04

Finding the Fourth Proportional to 26,220.80, 39,351 and 17,881.04

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Solution

The fourth proportional to 26,220.80, 39,351 and 17,881.04 is: 26,835.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,220.80 : 39,351 = 17,881.04 : x
  2. Step 2: Convert to fraction form
    26,220.80/39,351 = 17,881.04/x
  3. Step 3: Cross multiply
    26,220.80x = 39,351 × 17,881.04
  4. Step 4: Simplify right side
    26,220.80x = 703,636,805.04
  5. Step 5: Solve for x
    x = 703,636,805.04/26,220.80
  6. Step 6: Final answer
    x = 26,835.06

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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.