Home / 27,185.59-40,777.97-9,429.18

Finding the Fourth Proportional to 27,185.59, 40,777.97 and 9,429.18

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Solution

The fourth proportional to 27,185.59, 40,777.97 and 9,429.18 is: 14,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,185.59 : 40,777.97 = 9,429.18 : x
  2. Step 2: Convert to fraction form
    27,185.59/40,777.97 = 9,429.18/x
  3. Step 3: Cross multiply
    27,185.59x = 40,777.97 × 9,429.18
  4. Step 4: Simplify right side
    27,185.59x = 384,502,619.10
  5. Step 5: Solve for x
    x = 384,502,619.10/27,185.59
  6. Step 6: Final answer
    x = 14,143.62

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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.