Home / 26,615.49-39,922.86-7,908.20

Finding the Fourth Proportional to 26,615.49, 39,922.86 and 7,908.20

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Solution

The fourth proportional to 26,615.49, 39,922.86 and 7,908.20 is: 11,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.49 : 39,922.86 = 7,908.20 : x
  2. Step 2: Convert to fraction form
    26,615.49/39,922.86 = 7,908.20/x
  3. Step 3: Cross multiply
    26,615.49x = 39,922.86 × 7,908.20
  4. Step 4: Simplify right side
    26,615.49x = 315,717,761.84
  5. Step 5: Solve for x
    x = 315,717,761.84/26,615.49
  6. Step 6: Final answer
    x = 11,862.18

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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.