Home / 26,079.64-39,130.44-11,281

Finding the Fourth Proportional to 26,079.64, 39,130.44 and 11,281

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Solution

The fourth proportional to 26,079.64, 39,130.44 and 11,281 is: 16,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,079.64 : 39,130.44 = 11,281 : x
  2. Step 2: Convert to fraction form
    26,079.64/39,130.44 = 11,281/x
  3. Step 3: Cross multiply
    26,079.64x = 39,130.44 × 11,281
  4. Step 4: Simplify right side
    26,079.64x = 441,430,493.64
  5. Step 5: Solve for x
    x = 441,430,493.64/26,079.64
  6. Step 6: Final answer
    x = 16,926.25

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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.