Home / 19,270.92-28,906.40-7,577.76

Finding the Fourth Proportional to 19,270.92, 28,906.40 and 7,577.76

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Solution

The fourth proportional to 19,270.92, 28,906.40 and 7,577.76 is: 11,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.92 : 28,906.40 = 7,577.76 : x
  2. Step 2: Convert to fraction form
    19,270.92/28,906.40 = 7,577.76/x
  3. Step 3: Cross multiply
    19,270.92x = 28,906.40 × 7,577.76
  4. Step 4: Simplify right side
    19,270.92x = 219,045,761.66
  5. Step 5: Solve for x
    x = 219,045,761.66/19,270.92
  6. Step 6: Final answer
    x = 11,366.65

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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.