Home / 27,173.04-40,742.80-17,801.60

Finding the Fourth Proportional to 27,173.04, 40,742.80 and 17,801.60

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Solution

The fourth proportional to 27,173.04, 40,742.80 and 17,801.60 is: 26,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.04 : 40,742.80 = 17,801.60 : x
  2. Step 2: Convert to fraction form
    27,173.04/40,742.80 = 17,801.60/x
  3. Step 3: Cross multiply
    27,173.04x = 40,742.80 × 17,801.60
  4. Step 4: Simplify right side
    27,173.04x = 725,287,028.48
  5. Step 5: Solve for x
    x = 725,287,028.48/27,173.04
  6. Step 6: Final answer
    x = 26,691.42

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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.