Home / 26,132.72-39,203.93-8,603.78

Finding the Fourth Proportional to 26,132.72, 39,203.93 and 8,603.78

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Solution

The fourth proportional to 26,132.72, 39,203.93 and 8,603.78 is: 12,907.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,132.72 : 39,203.93 = 8,603.78 : x
  2. Step 2: Convert to fraction form
    26,132.72/39,203.93 = 8,603.78/x
  3. Step 3: Cross multiply
    26,132.72x = 39,203.93 × 8,603.78
  4. Step 4: Simplify right side
    26,132.72x = 337,301,814.35
  5. Step 5: Solve for x
    x = 337,301,814.35/26,132.72
  6. Step 6: Final answer
    x = 12,907.26

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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.