Home / 26,655.21-39,982.64-8,887.23

Finding the Fourth Proportional to 26,655.21, 39,982.64 and 8,887.23

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Solution

The fourth proportional to 26,655.21, 39,982.64 and 8,887.23 is: 13,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.21 : 39,982.64 = 8,887.23 : x
  2. Step 2: Convert to fraction form
    26,655.21/39,982.64 = 8,887.23/x
  3. Step 3: Cross multiply
    26,655.21x = 39,982.64 × 8,887.23
  4. Step 4: Simplify right side
    26,655.21x = 355,334,873.25
  5. Step 5: Solve for x
    x = 355,334,873.25/26,655.21
  6. Step 6: Final answer
    x = 13,330.78

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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.