Home / 27,023.34-37,291.59-15,087.78

Finding the Fourth Proportional to 27,023.34, 37,291.59 and 15,087.78

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Solution

The fourth proportional to 27,023.34, 37,291.59 and 15,087.78 is: 20,820.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,023.34 : 37,291.59 = 15,087.78 : x
  2. Step 2: Convert to fraction form
    27,023.34/37,291.59 = 15,087.78/x
  3. Step 3: Cross multiply
    27,023.34x = 37,291.59 × 15,087.78
  4. Step 4: Simplify right side
    27,023.34x = 562,647,305.77
  5. Step 5: Solve for x
    x = 562,647,305.77/27,023.34
  6. Step 6: Final answer
    x = 20,820.79

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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.