Home / 22,749.05-31,366.59-20,091.85

Finding the Fourth Proportional to 22,749.05, 31,366.59 and 20,091.85

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Solution

The fourth proportional to 22,749.05, 31,366.59 and 20,091.85 is: 27,702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,749.05 : 31,366.59 = 20,091.85 : x
  2. Step 2: Convert to fraction form
    22,749.05/31,366.59 = 20,091.85/x
  3. Step 3: Cross multiply
    22,749.05x = 31,366.59 × 20,091.85
  4. Step 4: Simplify right side
    22,749.05x = 630,212,780.55
  5. Step 5: Solve for x
    x = 630,212,780.55/22,749.05
  6. Step 6: Final answer
    x = 27,702.81

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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.