Home / 26,277.12-39,409.92-7,812.48

Finding the Fourth Proportional to 26,277.12, 39,409.92 and 7,812.48

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Solution

The fourth proportional to 26,277.12, 39,409.92 and 7,812.48 is: 11,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,277.12 : 39,409.92 = 7,812.48 : x
  2. Step 2: Convert to fraction form
    26,277.12/39,409.92 = 7,812.48/x
  3. Step 3: Cross multiply
    26,277.12x = 39,409.92 × 7,812.48
  4. Step 4: Simplify right side
    26,277.12x = 307,889,211.80
  5. Step 5: Solve for x
    x = 307,889,211.80/26,277.12
  6. Step 6: Final answer
    x = 11,717.01

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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.