Home / 28,102.82-42,141.89-10,560.33

Finding the Fourth Proportional to 28,102.82, 42,141.89 and 10,560.33

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Solution

The fourth proportional to 28,102.82, 42,141.89 and 10,560.33 is: 15,835.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,102.82 : 42,141.89 = 10,560.33 : x
  2. Step 2: Convert to fraction form
    28,102.82/42,141.89 = 10,560.33/x
  3. Step 3: Cross multiply
    28,102.82x = 42,141.89 × 10,560.33
  4. Step 4: Simplify right side
    28,102.82x = 445,032,212.42
  5. Step 5: Solve for x
    x = 445,032,212.42/28,102.82
  6. Step 6: Final answer
    x = 15,835.86

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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.