Home / 26,670.09-36,805.78-15,339.57

Finding the Fourth Proportional to 26,670.09, 36,805.78 and 15,339.57

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Solution

The fourth proportional to 26,670.09, 36,805.78 and 15,339.57 is: 21,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670.09 : 36,805.78 = 15,339.57 : x
  2. Step 2: Convert to fraction form
    26,670.09/36,805.78 = 15,339.57/x
  3. Step 3: Cross multiply
    26,670.09x = 36,805.78 × 15,339.57
  4. Step 4: Simplify right side
    26,670.09x = 564,584,926.90
  5. Step 5: Solve for x
    x = 564,584,926.90/26,670.09
  6. Step 6: Final answer
    x = 21,169.22

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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.