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Finding the Fourth Proportional to 27,150.30, 40,693.05 and 11,355.30

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Solution

The fourth proportional to 27,150.30, 40,693.05 and 11,355.30 is: 17,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.30 : 40,693.05 = 11,355.30 : x
  2. Step 2: Convert to fraction form
    27,150.30/40,693.05 = 11,355.30/x
  3. Step 3: Cross multiply
    27,150.30x = 40,693.05 × 11,355.30
  4. Step 4: Simplify right side
    27,150.30x = 462,081,790.67
  5. Step 5: Solve for x
    x = 462,081,790.67/27,150.30
  6. Step 6: Final answer
    x = 17,019.40

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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.