Home / 27,772.35-38,325.69-15,025.50

Finding the Fourth Proportional to 27,772.35, 38,325.69 and 15,025.50

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Solution

The fourth proportional to 27,772.35, 38,325.69 and 15,025.50 is: 20,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,772.35 : 38,325.69 = 15,025.50 : x
  2. Step 2: Convert to fraction form
    27,772.35/38,325.69 = 15,025.50/x
  3. Step 3: Cross multiply
    27,772.35x = 38,325.69 × 15,025.50
  4. Step 4: Simplify right side
    27,772.35x = 575,862,655.10
  5. Step 5: Solve for x
    x = 575,862,655.10/27,772.35
  6. Step 6: Final answer
    x = 20,735.11

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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.