Home / 26,638.60-39,953.42-9,768.12

Finding the Fourth Proportional to 26,638.60, 39,953.42 and 9,768.12

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Solution

The fourth proportional to 26,638.60, 39,953.42 and 9,768.12 is: 14,650.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.60 : 39,953.42 = 9,768.12 : x
  2. Step 2: Convert to fraction form
    26,638.60/39,953.42 = 9,768.12/x
  3. Step 3: Cross multiply
    26,638.60x = 39,953.42 × 9,768.12
  4. Step 4: Simplify right side
    26,638.60x = 390,269,800.97
  5. Step 5: Solve for x
    x = 390,269,800.97/26,638.60
  6. Step 6: Final answer
    x = 14,650.54

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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.