Home / 26,221.53-39,299.45-20,652.88

Finding the Fourth Proportional to 26,221.53, 39,299.45 and 20,652.88

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Solution

The fourth proportional to 26,221.53, 39,299.45 and 20,652.88 is: 30,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,221.53 : 39,299.45 = 20,652.88 : x
  2. Step 2: Convert to fraction form
    26,221.53/39,299.45 = 20,652.88/x
  3. Step 3: Cross multiply
    26,221.53x = 39,299.45 × 20,652.88
  4. Step 4: Simplify right side
    26,221.53x = 811,646,525.15
  5. Step 5: Solve for x
    x = 811,646,525.15/26,221.53
  6. Step 6: Final answer
    x = 30,953.44

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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.