Home / 27,150.39-40,725.59-7,429.19

Finding the Fourth Proportional to 27,150.39, 40,725.59 and 7,429.19

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Solution

The fourth proportional to 27,150.39, 40,725.59 and 7,429.19 is: 11,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150.39 : 40,725.59 = 7,429.19 : x
  2. Step 2: Convert to fraction form
    27,150.39/40,725.59 = 7,429.19/x
  3. Step 3: Cross multiply
    27,150.39x = 40,725.59 × 7,429.19
  4. Step 4: Simplify right side
    27,150.39x = 302,557,905.20
  5. Step 5: Solve for x
    x = 302,557,905.20/27,150.39
  6. Step 6: Final answer
    x = 11,143.78

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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.