Home / 26,928.50-37,164.21-15,759.86

Finding the Fourth Proportional to 26,928.50, 37,164.21 and 15,759.86

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Solution

The fourth proportional to 26,928.50, 37,164.21 and 15,759.86 is: 21,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.50 : 37,164.21 = 15,759.86 : x
  2. Step 2: Convert to fraction form
    26,928.50/37,164.21 = 15,759.86/x
  3. Step 3: Cross multiply
    26,928.50x = 37,164.21 × 15,759.86
  4. Step 4: Simplify right side
    26,928.50x = 585,702,746.61
  5. Step 5: Solve for x
    x = 585,702,746.61/26,928.50
  6. Step 6: Final answer
    x = 21,750.29

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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.