Home / 28,782.28-39,722.58-16,849.48

Finding the Fourth Proportional to 28,782.28, 39,722.58 and 16,849.48

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Solution

The fourth proportional to 28,782.28, 39,722.58 and 16,849.48 is: 23,254.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.28 : 39,722.58 = 16,849.48 : x
  2. Step 2: Convert to fraction form
    28,782.28/39,722.58 = 16,849.48/x
  3. Step 3: Cross multiply
    28,782.28x = 39,722.58 × 16,849.48
  4. Step 4: Simplify right side
    28,782.28x = 669,304,817.26
  5. Step 5: Solve for x
    x = 669,304,817.26/28,782.28
  6. Step 6: Final answer
    x = 23,254.06

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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.