Home / 28,548.46-39,396.94-15,802.52

Finding the Fourth Proportional to 28,548.46, 39,396.94 and 15,802.52

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Solution

The fourth proportional to 28,548.46, 39,396.94 and 15,802.52 is: 21,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.46 : 39,396.94 = 15,802.52 : x
  2. Step 2: Convert to fraction form
    28,548.46/39,396.94 = 15,802.52/x
  3. Step 3: Cross multiply
    28,548.46x = 39,396.94 × 15,802.52
  4. Step 4: Simplify right side
    28,548.46x = 622,570,932.29
  5. Step 5: Solve for x
    x = 622,570,932.29/28,548.46
  6. Step 6: Final answer
    x = 21,807.51

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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.