Home / 27,772.68-38,326.19-15,025.89

Finding the Fourth Proportional to 27,772.68, 38,326.19 and 15,025.89

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Solution

The fourth proportional to 27,772.68, 38,326.19 and 15,025.89 is: 20,735.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,772.68 : 38,326.19 = 15,025.89 : x
  2. Step 2: Convert to fraction form
    27,772.68/38,326.19 = 15,025.89/x
  3. Step 3: Cross multiply
    27,772.68x = 38,326.19 × 15,025.89
  4. Step 4: Simplify right side
    27,772.68x = 575,885,115.06
  5. Step 5: Solve for x
    x = 575,885,115.06/27,772.68
  6. Step 6: Final answer
    x = 20,735.67

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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.