Home / 28,026.24-42,010.08-11,379.60

Finding the Fourth Proportional to 28,026.24, 42,010.08 and 11,379.60

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Solution

The fourth proportional to 28,026.24, 42,010.08 and 11,379.60 is: 17,057.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,026.24 : 42,010.08 = 11,379.60 : x
  2. Step 2: Convert to fraction form
    28,026.24/42,010.08 = 11,379.60/x
  3. Step 3: Cross multiply
    28,026.24x = 42,010.08 × 11,379.60
  4. Step 4: Simplify right side
    28,026.24x = 478,057,906.37
  5. Step 5: Solve for x
    x = 478,057,906.37/28,026.24
  6. Step 6: Final answer
    x = 17,057.51

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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.