Home / 28,548.52-39,399.42-15,973

Finding the Fourth Proportional to 28,548.52, 39,399.42 and 15,973

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Solution

The fourth proportional to 28,548.52, 39,399.42 and 15,973 is: 22,044.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.52 : 39,399.42 = 15,973 : x
  2. Step 2: Convert to fraction form
    28,548.52/39,399.42 = 15,973/x
  3. Step 3: Cross multiply
    28,548.52x = 39,399.42 × 15,973
  4. Step 4: Simplify right side
    28,548.52x = 629,326,935.66
  5. Step 5: Solve for x
    x = 629,326,935.66/28,548.52
  6. Step 6: Final answer
    x = 22,044.12

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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.