Home / 28,446.09-42,645.03-11,795.73

Finding the Fourth Proportional to 28,446.09, 42,645.03 and 11,795.73

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Solution

The fourth proportional to 28,446.09, 42,645.03 and 11,795.73 is: 17,683.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446.09 : 42,645.03 = 11,795.73 : x
  2. Step 2: Convert to fraction form
    28,446.09/42,645.03 = 11,795.73/x
  3. Step 3: Cross multiply
    28,446.09x = 42,645.03 × 11,795.73
  4. Step 4: Simplify right side
    28,446.09x = 503,029,259.72
  5. Step 5: Solve for x
    x = 503,029,259.72/28,446.09
  6. Step 6: Final answer
    x = 17,683.60

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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.