Home / 26,670.80-39,961.08-11,857.04

Finding the Fourth Proportional to 26,670.80, 39,961.08 and 11,857.04

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Solution

The fourth proportional to 26,670.80, 39,961.08 and 11,857.04 is: 17,765.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670.80 : 39,961.08 = 11,857.04 : x
  2. Step 2: Convert to fraction form
    26,670.80/39,961.08 = 11,857.04/x
  3. Step 3: Cross multiply
    26,670.80x = 39,961.08 × 11,857.04
  4. Step 4: Simplify right side
    26,670.80x = 473,820,124.00
  5. Step 5: Solve for x
    x = 473,820,124.00/26,670.80
  6. Step 6: Final answer
    x = 17,765.50

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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.