Home / 27,141.36-40,707.16-9,611.28

Finding the Fourth Proportional to 27,141.36, 40,707.16 and 9,611.28

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Solution

The fourth proportional to 27,141.36, 40,707.16 and 9,611.28 is: 14,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,141.36 : 40,707.16 = 9,611.28 : x
  2. Step 2: Convert to fraction form
    27,141.36/40,707.16 = 9,611.28/x
  3. Step 3: Cross multiply
    27,141.36x = 40,707.16 × 9,611.28
  4. Step 4: Simplify right side
    27,141.36x = 391,247,912.76
  5. Step 5: Solve for x
    x = 391,247,912.76/27,141.36
  6. Step 6: Final answer
    x = 14,415.19

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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.