Home / 26,360.48-39,539.57-7,640.11

Finding the Fourth Proportional to 26,360.48, 39,539.57 and 7,640.11

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Solution

The fourth proportional to 26,360.48, 39,539.57 and 7,640.11 is: 11,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,360.48 : 39,539.57 = 7,640.11 : x
  2. Step 2: Convert to fraction form
    26,360.48/39,539.57 = 7,640.11/x
  3. Step 3: Cross multiply
    26,360.48x = 39,539.57 × 7,640.11
  4. Step 4: Simplify right side
    26,360.48x = 302,086,664.15
  5. Step 5: Solve for x
    x = 302,086,664.15/26,360.48
  6. Step 6: Final answer
    x = 11,459.83

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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.