Home / 28,064.14-42,059.76-11,404.78

Finding the Fourth Proportional to 28,064.14, 42,059.76 and 11,404.78

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Solution

The fourth proportional to 28,064.14, 42,059.76 and 11,404.78 is: 17,092.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.14 : 42,059.76 = 11,404.78 : x
  2. Step 2: Convert to fraction form
    28,064.14/42,059.76 = 11,404.78/x
  3. Step 3: Cross multiply
    28,064.14x = 42,059.76 × 11,404.78
  4. Step 4: Simplify right side
    28,064.14x = 479,682,362.23
  5. Step 5: Solve for x
    x = 479,682,362.23/28,064.14
  6. Step 6: Final answer
    x = 17,092.36

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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.