Home / 28,327.66-42,496.56-11,678.44

Finding the Fourth Proportional to 28,327.66, 42,496.56 and 11,678.44

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Solution

The fourth proportional to 28,327.66, 42,496.56 and 11,678.44 is: 17,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.66 : 42,496.56 = 11,678.44 : x
  2. Step 2: Convert to fraction form
    28,327.66/42,496.56 = 11,678.44/x
  3. Step 3: Cross multiply
    28,327.66x = 42,496.56 × 11,678.44
  4. Step 4: Simplify right side
    28,327.66x = 496,293,526.17
  5. Step 5: Solve for x
    x = 496,293,526.17/28,327.66
  6. Step 6: Final answer
    x = 17,519.75

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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.