Home / 26,115.84-39,165.48-8,581.60

Finding the Fourth Proportional to 26,115.84, 39,165.48 and 8,581.60

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Solution

The fourth proportional to 26,115.84, 39,165.48 and 8,581.60 is: 12,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.84 : 39,165.48 = 8,581.60 : x
  2. Step 2: Convert to fraction form
    26,115.84/39,165.48 = 8,581.60/x
  3. Step 3: Cross multiply
    26,115.84x = 39,165.48 × 8,581.60
  4. Step 4: Simplify right side
    26,115.84x = 336,102,483.17
  5. Step 5: Solve for x
    x = 336,102,483.17/26,115.84
  6. Step 6: Final answer
    x = 12,869.68

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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.