Home / 26,422.10-39,638.32-9,782.28

Finding the Fourth Proportional to 26,422.10, 39,638.32 and 9,782.28

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Solution

The fourth proportional to 26,422.10, 39,638.32 and 9,782.28 is: 14,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.10 : 39,638.32 = 9,782.28 : x
  2. Step 2: Convert to fraction form
    26,422.10/39,638.32 = 9,782.28/x
  3. Step 3: Cross multiply
    26,422.10x = 39,638.32 × 9,782.28
  4. Step 4: Simplify right side
    26,422.10x = 387,753,144.97
  5. Step 5: Solve for x
    x = 387,753,144.97/26,422.10
  6. Step 6: Final answer
    x = 14,675.33

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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.