Home / 27,445.95-41,172.75-8,724

Finding the Fourth Proportional to 27,445.95, 41,172.75 and 8,724

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Solution

The fourth proportional to 27,445.95, 41,172.75 and 8,724 is: 13,087.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,445.95 : 41,172.75 = 8,724 : x
  2. Step 2: Convert to fraction form
    27,445.95/41,172.75 = 8,724/x
  3. Step 3: Cross multiply
    27,445.95x = 41,172.75 × 8,724
  4. Step 4: Simplify right side
    27,445.95x = 359,191,071
  5. Step 5: Solve for x
    x = 359,191,071/27,445.95
  6. Step 6: Final answer
    x = 13,087.22

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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.