Home / 26,736.55-36,897.30-15,405.14

Finding the Fourth Proportional to 26,736.55, 36,897.30 and 15,405.14

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Solution

The fourth proportional to 26,736.55, 36,897.30 and 15,405.14 is: 21,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,736.55 : 36,897.30 = 15,405.14 : x
  2. Step 2: Convert to fraction form
    26,736.55/36,897.30 = 15,405.14/x
  3. Step 3: Cross multiply
    26,736.55x = 36,897.30 × 15,405.14
  4. Step 4: Simplify right side
    26,736.55x = 568,408,072.12
  5. Step 5: Solve for x
    x = 568,408,072.12/26,736.55
  6. Step 6: Final answer
    x = 21,259.59

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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.