Home / 26,721.80-36,897.88-17,166.43

Finding the Fourth Proportional to 26,721.80, 36,897.88 and 17,166.43

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Solution

The fourth proportional to 26,721.80, 36,897.88 and 17,166.43 is: 23,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,721.80 : 36,897.88 = 17,166.43 : x
  2. Step 2: Convert to fraction form
    26,721.80/36,897.88 = 17,166.43/x
  3. Step 3: Cross multiply
    26,721.80x = 36,897.88 × 17,166.43
  4. Step 4: Simplify right side
    26,721.80x = 633,404,909.56
  5. Step 5: Solve for x
    x = 633,404,909.56/26,721.80
  6. Step 6: Final answer
    x = 23,703.68

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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.