Home / 28,548.88-39,398.52-15,973.72

Finding the Fourth Proportional to 28,548.88, 39,398.52 and 15,973.72

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Solution

The fourth proportional to 28,548.88, 39,398.52 and 15,973.72 is: 22,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.88 : 39,398.52 = 15,973.72 : x
  2. Step 2: Convert to fraction form
    28,548.88/39,398.52 = 15,973.72/x
  3. Step 3: Cross multiply
    28,548.88x = 39,398.52 × 15,973.72
  4. Step 4: Simplify right side
    28,548.88x = 629,340,926.89
  5. Step 5: Solve for x
    x = 629,340,926.89/28,548.88
  6. Step 6: Final answer
    x = 22,044.33

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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.