Home / 27,116.61-37,421.70-15,179.88

Finding the Fourth Proportional to 27,116.61, 37,421.70 and 15,179.88

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Solution

The fourth proportional to 27,116.61, 37,421.70 and 15,179.88 is: 20,948.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.61 : 37,421.70 = 15,179.88 : x
  2. Step 2: Convert to fraction form
    27,116.61/37,421.70 = 15,179.88/x
  3. Step 3: Cross multiply
    27,116.61x = 37,421.70 × 15,179.88
  4. Step 4: Simplify right side
    27,116.61x = 568,056,915.40
  5. Step 5: Solve for x
    x = 568,056,915.40/27,116.61
  6. Step 6: Final answer
    x = 20,948.67

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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.