Home / 26,732.19-36,887.18-15,405.36

Finding the Fourth Proportional to 26,732.19, 36,887.18 and 15,405.36

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Solution

The fourth proportional to 26,732.19, 36,887.18 and 15,405.36 is: 21,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,732.19 : 36,887.18 = 15,405.36 : x
  2. Step 2: Convert to fraction form
    26,732.19/36,887.18 = 15,405.36/x
  3. Step 3: Cross multiply
    26,732.19x = 36,887.18 × 15,405.36
  4. Step 4: Simplify right side
    26,732.19x = 568,260,071.93
  5. Step 5: Solve for x
    x = 568,260,071.93/26,732.19
  6. Step 6: Final answer
    x = 21,257.52

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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.