Home / 26,629.96-39,951.20-7,910.16

Finding the Fourth Proportional to 26,629.96, 39,951.20 and 7,910.16

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Solution

The fourth proportional to 26,629.96, 39,951.20 and 7,910.16 is: 11,867.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,629.96 : 39,951.20 = 7,910.16 : x
  2. Step 2: Convert to fraction form
    26,629.96/39,951.20 = 7,910.16/x
  3. Step 3: Cross multiply
    26,629.96x = 39,951.20 × 7,910.16
  4. Step 4: Simplify right side
    26,629.96x = 316,020,384.19
  5. Step 5: Solve for x
    x = 316,020,384.19/26,629.96
  6. Step 6: Final answer
    x = 11,867.10

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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.