Home / 20,027.10-27,607.94-15,764.52

Finding the Fourth Proportional to 20,027.10, 27,607.94 and 15,764.52

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Solution

The fourth proportional to 20,027.10, 27,607.94 and 15,764.52 is: 21,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.10 : 27,607.94 = 15,764.52 : x
  2. Step 2: Convert to fraction form
    20,027.10/27,607.94 = 15,764.52/x
  3. Step 3: Cross multiply
    20,027.10x = 27,607.94 × 15,764.52
  4. Step 4: Simplify right side
    20,027.10x = 435,225,922.29
  5. Step 5: Solve for x
    x = 435,225,922.29/20,027.10
  6. Step 6: Final answer
    x = 21,731.85

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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.