Home / 28,841.36-43,261.76-9,119.93

Finding the Fourth Proportional to 28,841.36, 43,261.76 and 9,119.93

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Solution

The fourth proportional to 28,841.36, 43,261.76 and 9,119.93 is: 13,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.36 : 43,261.76 = 9,119.93 : x
  2. Step 2: Convert to fraction form
    28,841.36/43,261.76 = 9,119.93/x
  3. Step 3: Cross multiply
    28,841.36x = 43,261.76 × 9,119.93
  4. Step 4: Simplify right side
    28,841.36x = 394,543,960.97
  5. Step 5: Solve for x
    x = 394,543,960.97/28,841.36
  6. Step 6: Final answer
    x = 13,679.80

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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.