Home / 26,114.20-39,171.30-21,813.40

Finding the Fourth Proportional to 26,114.20, 39,171.30 and 21,813.40

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Solution

The fourth proportional to 26,114.20, 39,171.30 and 21,813.40 is: 32,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,114.20 : 39,171.30 = 21,813.40 : x
  2. Step 2: Convert to fraction form
    26,114.20/39,171.30 = 21,813.40/x
  3. Step 3: Cross multiply
    26,114.20x = 39,171.30 × 21,813.40
  4. Step 4: Simplify right side
    26,114.20x = 854,459,235.42
  5. Step 5: Solve for x
    x = 854,459,235.42/26,114.20
  6. Step 6: Final answer
    x = 32,720.10

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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.