Home / 27,071.72-40,623.98-11,489.34

Finding the Fourth Proportional to 27,071.72, 40,623.98 and 11,489.34

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Solution

The fourth proportional to 27,071.72, 40,623.98 and 11,489.34 is: 17,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,071.72 : 40,623.98 = 11,489.34 : x
  2. Step 2: Convert to fraction form
    27,071.72/40,623.98 = 11,489.34/x
  3. Step 3: Cross multiply
    27,071.72x = 40,623.98 × 11,489.34
  4. Step 4: Simplify right side
    27,071.72x = 466,742,877.89
  5. Step 5: Solve for x
    x = 466,742,877.89/27,071.72
  6. Step 6: Final answer
    x = 17,240.98

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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.