Home / 26,660.28-39,980.08-8,887.48

Finding the Fourth Proportional to 26,660.28, 39,980.08 and 8,887.48

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Solution

The fourth proportional to 26,660.28, 39,980.08 and 8,887.48 is: 13,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.28 : 39,980.08 = 8,887.48 : x
  2. Step 2: Convert to fraction form
    26,660.28/39,980.08 = 8,887.48/x
  3. Step 3: Cross multiply
    26,660.28x = 39,980.08 × 8,887.48
  4. Step 4: Simplify right side
    26,660.28x = 355,322,161.40
  5. Step 5: Solve for x
    x = 355,322,161.40/26,660.28
  6. Step 6: Final answer
    x = 13,327.77

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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.