Home / 27,454.28-37,884.81-15,518.74

Finding the Fourth Proportional to 27,454.28, 37,884.81 and 15,518.74

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Solution

The fourth proportional to 27,454.28, 37,884.81 and 15,518.74 is: 21,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,454.28 : 37,884.81 = 15,518.74 : x
  2. Step 2: Convert to fraction form
    27,454.28/37,884.81 = 15,518.74/x
  3. Step 3: Cross multiply
    27,454.28x = 37,884.81 × 15,518.74
  4. Step 4: Simplify right side
    27,454.28x = 587,924,326.92
  5. Step 5: Solve for x
    x = 587,924,326.92/27,454.28
  6. Step 6: Final answer
    x = 21,414.67

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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.