Home / 28,876.80-39,812.94-23,683.53

Finding the Fourth Proportional to 28,876.80, 39,812.94 and 23,683.53

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Solution

The fourth proportional to 28,876.80, 39,812.94 and 23,683.53 is: 32,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.80 : 39,812.94 = 23,683.53 : x
  2. Step 2: Convert to fraction form
    28,876.80/39,812.94 = 23,683.53/x
  3. Step 3: Cross multiply
    28,876.80x = 39,812.94 × 23,683.53
  4. Step 4: Simplify right side
    28,876.80x = 942,910,958.88
  5. Step 5: Solve for x
    x = 942,910,958.88/28,876.80
  6. Step 6: Final answer
    x = 32,652.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.