Home / 27,386.80-37,792.96-15,450

Finding the Fourth Proportional to 27,386.80, 37,792.96 and 15,450

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Solution

The fourth proportional to 27,386.80, 37,792.96 and 15,450 is: 21,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,386.80 : 37,792.96 = 15,450 : x
  2. Step 2: Convert to fraction form
    27,386.80/37,792.96 = 15,450/x
  3. Step 3: Cross multiply
    27,386.80x = 37,792.96 × 15,450
  4. Step 4: Simplify right side
    27,386.80x = 583,901,232
  5. Step 5: Solve for x
    x = 583,901,232/27,386.80
  6. Step 6: Final answer
    x = 21,320.54

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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.