Home / 27,228.90-40,801.74-11,425.36

Finding the Fourth Proportional to 27,228.90, 40,801.74 and 11,425.36

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Solution

The fourth proportional to 27,228.90, 40,801.74 and 11,425.36 is: 17,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228.90 : 40,801.74 = 11,425.36 : x
  2. Step 2: Convert to fraction form
    27,228.90/40,801.74 = 11,425.36/x
  3. Step 3: Cross multiply
    27,228.90x = 40,801.74 × 11,425.36
  4. Step 4: Simplify right side
    27,228.90x = 466,174,568.13
  5. Step 5: Solve for x
    x = 466,174,568.13/27,228.90
  6. Step 6: Final answer
    x = 17,120.58

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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.