Home / 26,617.90-39,920.03-7,893.56

Finding the Fourth Proportional to 26,617.90, 39,920.03 and 7,893.56

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Solution

The fourth proportional to 26,617.90, 39,920.03 and 7,893.56 is: 11,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,617.90 : 39,920.03 = 7,893.56 : x
  2. Step 2: Convert to fraction form
    26,617.90/39,920.03 = 7,893.56/x
  3. Step 3: Cross multiply
    26,617.90x = 39,920.03 × 7,893.56
  4. Step 4: Simplify right side
    26,617.90x = 315,111,152.01
  5. Step 5: Solve for x
    x = 315,111,152.01/26,617.90
  6. Step 6: Final answer
    x = 11,838.32

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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.