Home / 27,790.70-41,688.81-9,069.98

Finding the Fourth Proportional to 27,790.70, 41,688.81 and 9,069.98

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Solution

The fourth proportional to 27,790.70, 41,688.81 and 9,069.98 is: 13,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,790.70 : 41,688.81 = 9,069.98 : x
  2. Step 2: Convert to fraction form
    27,790.70/41,688.81 = 9,069.98/x
  3. Step 3: Cross multiply
    27,790.70x = 41,688.81 × 9,069.98
  4. Step 4: Simplify right side
    27,790.70x = 378,116,464.48
  5. Step 5: Solve for x
    x = 378,116,464.48/27,790.70
  6. Step 6: Final answer
    x = 13,605.87

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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.