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Finding the Fourth Proportional to 27,050.40, 40,624.20 and 19,663.20

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Solution

The fourth proportional to 27,050.40, 40,624.20 and 19,663.20 is: 29,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,050.40 : 40,624.20 = 19,663.20 : x
  2. Step 2: Convert to fraction form
    27,050.40/40,624.20 = 19,663.20/x
  3. Step 3: Cross multiply
    27,050.40x = 40,624.20 × 19,663.20
  4. Step 4: Simplify right side
    27,050.40x = 798,801,769.44
  5. Step 5: Solve for x
    x = 798,801,769.44/27,050.40
  6. Step 6: Final answer
    x = 29,530.13

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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.