Home / 28,114.14-38,796.07-15,536.46

Finding the Fourth Proportional to 28,114.14, 38,796.07 and 15,536.46

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Solution

The fourth proportional to 28,114.14, 38,796.07 and 15,536.46 is: 21,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.14 : 38,796.07 = 15,536.46 : x
  2. Step 2: Convert to fraction form
    28,114.14/38,796.07 = 15,536.46/x
  3. Step 3: Cross multiply
    28,114.14x = 38,796.07 × 15,536.46
  4. Step 4: Simplify right side
    28,114.14x = 602,753,589.71
  5. Step 5: Solve for x
    x = 602,753,589.71/28,114.14
  6. Step 6: Final answer
    x = 21,439.52

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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.