Home / 26,534.97-39,790.16-9,890.54

Finding the Fourth Proportional to 26,534.97, 39,790.16 and 9,890.54

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Solution

The fourth proportional to 26,534.97, 39,790.16 and 9,890.54 is: 14,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,534.97 : 39,790.16 = 9,890.54 : x
  2. Step 2: Convert to fraction form
    26,534.97/39,790.16 = 9,890.54/x
  3. Step 3: Cross multiply
    26,534.97x = 39,790.16 × 9,890.54
  4. Step 4: Simplify right side
    26,534.97x = 393,546,019.58
  5. Step 5: Solve for x
    x = 393,546,019.58/26,534.97
  6. Step 6: Final answer
    x = 14,831.22

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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.