Home / 27,150.42-40,725.30-7,428.96

Finding the Fourth Proportional to 27,150.42, 40,725.30 and 7,428.96

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Solution

The fourth proportional to 27,150.42, 40,725.30 and 7,428.96 is: 11,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.42 : 40,725.30 = 7,428.96 : x
  2. Step 2: Convert to fraction form
    27,150.42/40,725.30 = 7,428.96/x
  3. Step 3: Cross multiply
    27,150.42x = 40,725.30 × 7,428.96
  4. Step 4: Simplify right side
    27,150.42x = 302,546,624.69
  5. Step 5: Solve for x
    x = 302,546,624.69/27,150.42
  6. Step 6: Final answer
    x = 11,143.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.