Home / 26,759.25-36,919.47-15,427.29

Finding the Fourth Proportional to 26,759.25, 36,919.47 and 15,427.29

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Solution

The fourth proportional to 26,759.25, 36,919.47 and 15,427.29 is: 21,284.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,759.25 : 36,919.47 = 15,427.29 : x
  2. Step 2: Convert to fraction form
    26,759.25/36,919.47 = 15,427.29/x
  3. Step 3: Cross multiply
    26,759.25x = 36,919.47 × 15,427.29
  4. Step 4: Simplify right side
    26,759.25x = 569,567,370.34
  5. Step 5: Solve for x
    x = 569,567,370.34/26,759.25
  6. Step 6: Final answer
    x = 21,284.88

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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.