Home / 27,163.29-40,740.06-7,440.18

Finding the Fourth Proportional to 27,163.29, 40,740.06 and 7,440.18

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Solution

The fourth proportional to 27,163.29, 40,740.06 and 7,440.18 is: 11,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,163.29 : 40,740.06 = 7,440.18 : x
  2. Step 2: Convert to fraction form
    27,163.29/40,740.06 = 7,440.18/x
  3. Step 3: Cross multiply
    27,163.29x = 40,740.06 × 7,440.18
  4. Step 4: Simplify right side
    27,163.29x = 303,113,379.61
  5. Step 5: Solve for x
    x = 303,113,379.61/27,163.29
  6. Step 6: Final answer
    x = 11,158.93

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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.