Home / 28,176.39-42,248.77-19,301.73

Finding the Fourth Proportional to 28,176.39, 42,248.77 and 19,301.73

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Solution

The fourth proportional to 28,176.39, 42,248.77 and 19,301.73 is: 28,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,176.39 : 42,248.77 = 19,301.73 : x
  2. Step 2: Convert to fraction form
    28,176.39/42,248.77 = 19,301.73/x
  3. Step 3: Cross multiply
    28,176.39x = 42,248.77 × 19,301.73
  4. Step 4: Simplify right side
    28,176.39x = 815,474,351.37
  5. Step 5: Solve for x
    x = 815,474,351.37/28,176.39
  6. Step 6: Final answer
    x = 28,941.76

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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.