Home / 26,298.88-39,448.67-8,768.72

Finding the Fourth Proportional to 26,298.88, 39,448.67 and 8,768.72

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Solution

The fourth proportional to 26,298.88, 39,448.67 and 8,768.72 is: 13,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,298.88 : 39,448.67 = 8,768.72 : x
  2. Step 2: Convert to fraction form
    26,298.88/39,448.67 = 8,768.72/x
  3. Step 3: Cross multiply
    26,298.88x = 39,448.67 × 8,768.72
  4. Step 4: Simplify right side
    26,298.88x = 345,914,144.36
  5. Step 5: Solve for x
    x = 345,914,144.36/26,298.88
  6. Step 6: Final answer
    x = 13,153.19

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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.