Home / 19,262.76-28,906.28-7,575.66

Finding the Fourth Proportional to 19,262.76, 28,906.28 and 7,575.66

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Solution

The fourth proportional to 19,262.76, 28,906.28 and 7,575.66 is: 11,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.76 : 28,906.28 = 7,575.66 : x
  2. Step 2: Convert to fraction form
    19,262.76/28,906.28 = 7,575.66/x
  3. Step 3: Cross multiply
    19,262.76x = 28,906.28 × 7,575.66
  4. Step 4: Simplify right side
    19,262.76x = 218,984,149.14
  5. Step 5: Solve for x
    x = 218,984,149.14/19,262.76
  6. Step 6: Final answer
    x = 11,368.26

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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.