Home / 27,874.12-38,466.18-15,299.08

Finding the Fourth Proportional to 27,874.12, 38,466.18 and 15,299.08

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Solution

The fourth proportional to 27,874.12, 38,466.18 and 15,299.08 is: 21,112.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,874.12 : 38,466.18 = 15,299.08 : x
  2. Step 2: Convert to fraction form
    27,874.12/38,466.18 = 15,299.08/x
  3. Step 3: Cross multiply
    27,874.12x = 38,466.18 × 15,299.08
  4. Step 4: Simplify right side
    27,874.12x = 588,497,165.11
  5. Step 5: Solve for x
    x = 588,497,165.11/27,874.12
  6. Step 6: Final answer
    x = 21,112.67

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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.