Home / 26,759.24-36,930.48-15,429.16

Finding the Fourth Proportional to 26,759.24, 36,930.48 and 15,429.16

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Solution

The fourth proportional to 26,759.24, 36,930.48 and 15,429.16 is: 21,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,759.24 : 36,930.48 = 15,429.16 : x
  2. Step 2: Convert to fraction form
    26,759.24/36,930.48 = 15,429.16/x
  3. Step 3: Cross multiply
    26,759.24x = 36,930.48 × 15,429.16
  4. Step 4: Simplify right side
    26,759.24x = 569,806,284.80
  5. Step 5: Solve for x
    x = 569,806,284.80/26,759.24
  6. Step 6: Final answer
    x = 21,293.81

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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.