Home / 28,964.11-39,976.70-17,637.35

Finding the Fourth Proportional to 28,964.11, 39,976.70 and 17,637.35

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Solution

The fourth proportional to 28,964.11, 39,976.70 and 17,637.35 is: 24,343.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.11 : 39,976.70 = 17,637.35 : x
  2. Step 2: Convert to fraction form
    28,964.11/39,976.70 = 17,637.35/x
  3. Step 3: Cross multiply
    28,964.11x = 39,976.70 × 17,637.35
  4. Step 4: Simplify right side
    28,964.11x = 705,082,885.69
  5. Step 5: Solve for x
    x = 705,082,885.69/28,964.11
  6. Step 6: Final answer
    x = 24,343.33

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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.