Home / 27,287.52-40,890.24-18,492

Finding the Fourth Proportional to 27,287.52, 40,890.24 and 18,492

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Solution

The fourth proportional to 27,287.52, 40,890.24 and 18,492 is: 27,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,287.52 : 40,890.24 = 18,492 : x
  2. Step 2: Convert to fraction form
    27,287.52/40,890.24 = 18,492/x
  3. Step 3: Cross multiply
    27,287.52x = 40,890.24 × 18,492
  4. Step 4: Simplify right side
    27,287.52x = 756,142,318.08
  5. Step 5: Solve for x
    x = 756,142,318.08/27,287.52
  6. Step 6: Final answer
    x = 27,710.19

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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.