Home / 28,123.22-42,163.96-17,027.27

Finding the Fourth Proportional to 28,123.22, 42,163.96 and 17,027.27

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Solution

The fourth proportional to 28,123.22, 42,163.96 and 17,027.27 is: 25,528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,123.22 : 42,163.96 = 17,027.27 : x
  2. Step 2: Convert to fraction form
    28,123.22/42,163.96 = 17,027.27/x
  3. Step 3: Cross multiply
    28,123.22x = 42,163.96 × 17,027.27
  4. Step 4: Simplify right side
    28,123.22x = 717,937,131.19
  5. Step 5: Solve for x
    x = 717,937,131.19/28,123.22
  6. Step 6: Final answer
    x = 25,528.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.