Home / 37,944.92-56,928.18-12,988.28

Finding the Fourth Proportional to 37,944.92, 56,928.18 and 12,988.28

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Solution

The fourth proportional to 37,944.92, 56,928.18 and 12,988.28 is: 19,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,944.92 : 56,928.18 = 12,988.28 : x
  2. Step 2: Convert to fraction form
    37,944.92/56,928.18 = 12,988.28/x
  3. Step 3: Cross multiply
    37,944.92x = 56,928.18 × 12,988.28
  4. Step 4: Simplify right side
    37,944.92x = 739,399,141.73
  5. Step 5: Solve for x
    x = 739,399,141.73/37,944.92
  6. Step 6: Final answer
    x = 19,486.12

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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.