Home / 27,133.28-40,693.36-7,411.94

Finding the Fourth Proportional to 27,133.28, 40,693.36 and 7,411.94

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Solution

The fourth proportional to 27,133.28, 40,693.36 and 7,411.94 is: 11,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.28 : 40,693.36 = 7,411.94 : x
  2. Step 2: Convert to fraction form
    27,133.28/40,693.36 = 7,411.94/x
  3. Step 3: Cross multiply
    27,133.28x = 40,693.36 × 7,411.94
  4. Step 4: Simplify right side
    27,133.28x = 301,616,742.72
  5. Step 5: Solve for x
    x = 301,616,742.72/27,133.28
  6. Step 6: Final answer
    x = 11,116.12

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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.