Home / 28,548.38-39,397.83-15,973.22

Finding the Fourth Proportional to 28,548.38, 39,397.83 and 15,973.22

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Solution

The fourth proportional to 28,548.38, 39,397.83 and 15,973.22 is: 22,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,548.38 : 39,397.83 = 15,973.22 : x
  2. Step 2: Convert to fraction form
    28,548.38/39,397.83 = 15,973.22/x
  3. Step 3: Cross multiply
    28,548.38x = 39,397.83 × 15,973.22
  4. Step 4: Simplify right side
    28,548.38x = 629,310,206.11
  5. Step 5: Solve for x
    x = 629,310,206.11/28,548.38
  6. Step 6: Final answer
    x = 22,043.64

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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.