Home / 20,089.35-27,746.01-13,704.99

Finding the Fourth Proportional to 20,089.35, 27,746.01 and 13,704.99

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Solution

The fourth proportional to 20,089.35, 27,746.01 and 13,704.99 is: 18,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,089.35 : 27,746.01 = 13,704.99 : x
  2. Step 2: Convert to fraction form
    20,089.35/27,746.01 = 13,704.99/x
  3. Step 3: Cross multiply
    20,089.35x = 27,746.01 × 13,704.99
  4. Step 4: Simplify right side
    20,089.35x = 380,258,789.59
  5. Step 5: Solve for x
    x = 380,258,789.59/20,089.35
  6. Step 6: Final answer
    x = 18,928.38

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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.