Home / 27,132.77-37,439.67-15,648.11

Finding the Fourth Proportional to 27,132.77, 37,439.67 and 15,648.11

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Solution

The fourth proportional to 27,132.77, 37,439.67 and 15,648.11 is: 21,592.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,132.77 : 37,439.67 = 15,648.11 : x
  2. Step 2: Convert to fraction form
    27,132.77/37,439.67 = 15,648.11/x
  3. Step 3: Cross multiply
    27,132.77x = 37,439.67 × 15,648.11
  4. Step 4: Simplify right side
    27,132.77x = 585,860,074.52
  5. Step 5: Solve for x
    x = 585,860,074.52/27,132.77
  6. Step 6: Final answer
    x = 21,592.34

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1.5x scale

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.