Home / 26,226.21-39,355.71-10,643.84

Finding the Fourth Proportional to 26,226.21, 39,355.71 and 10,643.84

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Solution

The fourth proportional to 26,226.21, 39,355.71 and 10,643.84 is: 15,972.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,226.21 : 39,355.71 = 10,643.84 : x
  2. Step 2: Convert to fraction form
    26,226.21/39,355.71 = 10,643.84/x
  3. Step 3: Cross multiply
    26,226.21x = 39,355.71 × 10,643.84
  4. Step 4: Simplify right side
    26,226.21x = 418,895,683.55
  5. Step 5: Solve for x
    x = 418,895,683.55/26,226.21
  6. Step 6: Final answer
    x = 15,972.41

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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.