Home / 27,772.38-38,325.74-15,025.52

Finding the Fourth Proportional to 27,772.38, 38,325.74 and 15,025.52

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Solution

The fourth proportional to 27,772.38, 38,325.74 and 15,025.52 is: 20,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,772.38 : 38,325.74 = 15,025.52 : x
  2. Step 2: Convert to fraction form
    27,772.38/38,325.74 = 15,025.52/x
  3. Step 3: Cross multiply
    27,772.38x = 38,325.74 × 15,025.52
  4. Step 4: Simplify right side
    27,772.38x = 575,864,172.88
  5. Step 5: Solve for x
    x = 575,864,172.88/27,772.38
  6. Step 6: Final answer
    x = 20,735.14

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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.