Home / 26,360.12-39,542.21-7,640.42

Finding the Fourth Proportional to 26,360.12, 39,542.21 and 7,640.42

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Solution

The fourth proportional to 26,360.12, 39,542.21 and 7,640.42 is: 11,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,360.12 : 39,542.21 = 7,640.42 : x
  2. Step 2: Convert to fraction form
    26,360.12/39,542.21 = 7,640.42/x
  3. Step 3: Cross multiply
    26,360.12x = 39,542.21 × 7,640.42
  4. Step 4: Simplify right side
    26,360.12x = 302,119,092.13
  5. Step 5: Solve for x
    x = 302,119,092.13/26,360.12
  6. Step 6: Final answer
    x = 11,461.22

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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.