Home / 26,780.51-36,958.31-15,296.42

Finding the Fourth Proportional to 26,780.51, 36,958.31 and 15,296.42

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Solution

The fourth proportional to 26,780.51, 36,958.31 and 15,296.42 is: 21,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,780.51 : 36,958.31 = 15,296.42 : x
  2. Step 2: Convert to fraction form
    26,780.51/36,958.31 = 15,296.42/x
  3. Step 3: Cross multiply
    26,780.51x = 36,958.31 × 15,296.42
  4. Step 4: Simplify right side
    26,780.51x = 565,329,905.53
  5. Step 5: Solve for x
    x = 565,329,905.53/26,780.51
  6. Step 6: Final answer
    x = 21,109.75

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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.