Home / 26,168.03-39,253.40-8,639.22

Finding the Fourth Proportional to 26,168.03, 39,253.40 and 8,639.22

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Solution

The fourth proportional to 26,168.03, 39,253.40 and 8,639.22 is: 12,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,168.03 : 39,253.40 = 8,639.22 : x
  2. Step 2: Convert to fraction form
    26,168.03/39,253.40 = 8,639.22/x
  3. Step 3: Cross multiply
    26,168.03x = 39,253.40 × 8,639.22
  4. Step 4: Simplify right side
    26,168.03x = 339,118,758.35
  5. Step 5: Solve for x
    x = 339,118,758.35/26,168.03
  6. Step 6: Final answer
    x = 12,959.28

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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.