Home / 17,625.44-26,435.55-5,142.11

Finding the Fourth Proportional to 17,625.44, 26,435.55 and 5,142.11

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Solution

The fourth proportional to 17,625.44, 26,435.55 and 5,142.11 is: 7,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.44 : 26,435.55 = 5,142.11 : x
  2. Step 2: Convert to fraction form
    17,625.44/26,435.55 = 5,142.11/x
  3. Step 3: Cross multiply
    17,625.44x = 26,435.55 × 5,142.11
  4. Step 4: Simplify right side
    17,625.44x = 135,934,460.23
  5. Step 5: Solve for x
    x = 135,934,460.23/17,625.44
  6. Step 6: Final answer
    x = 7,712.40

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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.