Home / 27,890.10-38,474.06-17,807.94

Finding the Fourth Proportional to 27,890.10, 38,474.06 and 17,807.94

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Solution

The fourth proportional to 27,890.10, 38,474.06 and 17,807.94 is: 24,565.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.10 : 38,474.06 = 17,807.94 : x
  2. Step 2: Convert to fraction form
    27,890.10/38,474.06 = 17,807.94/x
  3. Step 3: Cross multiply
    27,890.10x = 38,474.06 × 17,807.94
  4. Step 4: Simplify right side
    27,890.10x = 685,143,752.04
  5. Step 5: Solve for x
    x = 685,143,752.04/27,890.10
  6. Step 6: Final answer
    x = 24,565.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.