Home / 28,496.61-42,741.27-11,853.54

Finding the Fourth Proportional to 28,496.61, 42,741.27 and 11,853.54

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Solution

The fourth proportional to 28,496.61, 42,741.27 and 11,853.54 is: 17,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,496.61 : 42,741.27 = 11,853.54 : x
  2. Step 2: Convert to fraction form
    28,496.61/42,741.27 = 11,853.54/x
  3. Step 3: Cross multiply
    28,496.61x = 42,741.27 × 11,853.54
  4. Step 4: Simplify right side
    28,496.61x = 506,635,353.60
  5. Step 5: Solve for x
    x = 506,635,353.60/28,496.61
  6. Step 6: Final answer
    x = 17,778.79

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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.