Home / 26,757.35-36,926.48-15,428.69

Finding the Fourth Proportional to 26,757.35, 36,926.48 and 15,428.69

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Solution

The fourth proportional to 26,757.35, 36,926.48 and 15,428.69 is: 21,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,757.35 : 36,926.48 = 15,428.69 : x
  2. Step 2: Convert to fraction form
    26,757.35/36,926.48 = 15,428.69/x
  3. Step 3: Cross multiply
    26,757.35x = 36,926.48 × 15,428.69
  4. Step 4: Simplify right side
    26,757.35x = 569,727,135.57
  5. Step 5: Solve for x
    x = 569,727,135.57/26,757.35
  6. Step 6: Final answer
    x = 21,292.36

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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.