Home / 26,238.16-39,368.84-13,755.20

Finding the Fourth Proportional to 26,238.16, 39,368.84 and 13,755.20

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Solution

The fourth proportional to 26,238.16, 39,368.84 and 13,755.20 is: 20,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,238.16 : 39,368.84 = 13,755.20 : x
  2. Step 2: Convert to fraction form
    26,238.16/39,368.84 = 13,755.20/x
  3. Step 3: Cross multiply
    26,238.16x = 39,368.84 × 13,755.20
  4. Step 4: Simplify right side
    26,238.16x = 541,526,267.97
  5. Step 5: Solve for x
    x = 541,526,267.97/26,238.16
  6. Step 6: Final answer
    x = 20,638.88

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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.