Home / 26,279.06-36,269.76-15,669.36

Finding the Fourth Proportional to 26,279.06, 36,269.76 and 15,669.36

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Solution

The fourth proportional to 26,279.06, 36,269.76 and 15,669.36 is: 21,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,279.06 : 36,269.76 = 15,669.36 : x
  2. Step 2: Convert to fraction form
    26,279.06/36,269.76 = 15,669.36/x
  3. Step 3: Cross multiply
    26,279.06x = 36,269.76 × 15,669.36
  4. Step 4: Simplify right side
    26,279.06x = 568,323,926.55
  5. Step 5: Solve for x
    x = 568,323,926.55/26,279.06
  6. Step 6: Final answer
    x = 21,626.49

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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.