Home / 26,861.92-40,292.83-7,140.48

Finding the Fourth Proportional to 26,861.92, 40,292.83 and 7,140.48

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Solution

The fourth proportional to 26,861.92, 40,292.83 and 7,140.48 is: 10,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861.92 : 40,292.83 = 7,140.48 : x
  2. Step 2: Convert to fraction form
    26,861.92/40,292.83 = 7,140.48/x
  3. Step 3: Cross multiply
    26,861.92x = 40,292.83 × 7,140.48
  4. Step 4: Simplify right side
    26,861.92x = 287,709,945.29
  5. Step 5: Solve for x
    x = 287,709,945.29/26,861.92
  6. Step 6: Final answer
    x = 10,710.70

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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.