Home / 27,285.17-37,652.43-15,185.31

Finding the Fourth Proportional to 27,285.17, 37,652.43 and 15,185.31

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Solution

The fourth proportional to 27,285.17, 37,652.43 and 15,185.31 is: 20,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,285.17 : 37,652.43 = 15,185.31 : x
  2. Step 2: Convert to fraction form
    27,285.17/37,652.43 = 15,185.31/x
  3. Step 3: Cross multiply
    27,285.17x = 37,652.43 × 15,185.31
  4. Step 4: Simplify right side
    27,285.17x = 571,763,737.89
  5. Step 5: Solve for x
    x = 571,763,737.89/27,285.17
  6. Step 6: Final answer
    x = 20,955.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.