Home / 20,252.40-27,937.08-11,867.28

Finding the Fourth Proportional to 20,252.40, 27,937.08 and 11,867.28

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Solution

The fourth proportional to 20,252.40, 27,937.08 and 11,867.28 is: 16,370.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.40 : 27,937.08 = 11,867.28 : x
  2. Step 2: Convert to fraction form
    20,252.40/27,937.08 = 11,867.28/x
  3. Step 3: Cross multiply
    20,252.40x = 27,937.08 × 11,867.28
  4. Step 4: Simplify right side
    20,252.40x = 331,537,150.74
  5. Step 5: Solve for x
    x = 331,537,150.74/20,252.40
  6. Step 6: Final answer
    x = 16,370.26

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1.5x scale

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.