Home / 28,725.18-43,128.14-14,695.27

Finding the Fourth Proportional to 28,725.18, 43,128.14 and 14,695.27

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Solution

The fourth proportional to 28,725.18, 43,128.14 and 14,695.27 is: 22,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.18 : 43,128.14 = 14,695.27 : x
  2. Step 2: Convert to fraction form
    28,725.18/43,128.14 = 14,695.27/x
  3. Step 3: Cross multiply
    28,725.18x = 43,128.14 × 14,695.27
  4. Step 4: Simplify right side
    28,725.18x = 633,779,764.53
  5. Step 5: Solve for x
    x = 633,779,764.53/28,725.18
  6. Step 6: Final answer
    x = 22,063.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.