Home / 38,709.72-58,006.26-28,801.80

Finding the Fourth Proportional to 38,709.72, 58,006.26 and 28,801.80

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Solution

The fourth proportional to 38,709.72, 58,006.26 and 28,801.80 is: 43,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,709.72 : 58,006.26 = 28,801.80 : x
  2. Step 2: Convert to fraction form
    38,709.72/58,006.26 = 28,801.80/x
  3. Step 3: Cross multiply
    38,709.72x = 58,006.26 × 28,801.80
  4. Step 4: Simplify right side
    38,709.72x = 1,670,684,699.27
  5. Step 5: Solve for x
    x = 1,670,684,699.27/38,709.72
  6. Step 6: Final answer
    x = 43,159.31

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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.