Home / 28,774.39-43,153.54-18,228.73

Finding the Fourth Proportional to 28,774.39, 43,153.54 and 18,228.73

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Solution

The fourth proportional to 28,774.39, 43,153.54 and 18,228.73 is: 27,338.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,774.39 : 43,153.54 = 18,228.73 : x
  2. Step 2: Convert to fraction form
    28,774.39/43,153.54 = 18,228.73/x
  3. Step 3: Cross multiply
    28,774.39x = 43,153.54 × 18,228.73
  4. Step 4: Simplify right side
    28,774.39x = 786,634,229.20
  5. Step 5: Solve for x
    x = 786,634,229.20/28,774.39
  6. Step 6: Final answer
    x = 27,338.00

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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.