Home / 51,128.28-76,710.87-17,853.26

Finding the Fourth Proportional to 51,128.28, 76,710.87 and 17,853.26

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Solution

The fourth proportional to 51,128.28, 76,710.87 and 17,853.26 is: 26,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,128.28 : 76,710.87 = 17,853.26 : x
  2. Step 2: Convert to fraction form
    51,128.28/76,710.87 = 17,853.26/x
  3. Step 3: Cross multiply
    51,128.28x = 76,710.87 × 17,853.26
  4. Step 4: Simplify right side
    51,128.28x = 1,369,538,723.38
  5. Step 5: Solve for x
    x = 1,369,538,723.38/51,128.28
  6. Step 6: Final answer
    x = 26,786.32

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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.