Home / 28,548.44-39,396.90-15,802.49

Finding the Fourth Proportional to 28,548.44, 39,396.90 and 15,802.49

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Solution

The fourth proportional to 28,548.44, 39,396.90 and 15,802.49 is: 21,807.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.44 : 39,396.90 = 15,802.49 : x
  2. Step 2: Convert to fraction form
    28,548.44/39,396.90 = 15,802.49/x
  3. Step 3: Cross multiply
    28,548.44x = 39,396.90 × 15,802.49
  4. Step 4: Simplify right side
    28,548.44x = 622,568,921.30
  5. Step 5: Solve for x
    x = 622,568,921.30/28,548.44
  6. Step 6: Final answer
    x = 21,807.46

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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.