Home / 28,722.48-43,051.86-12,077.58

Finding the Fourth Proportional to 28,722.48, 43,051.86 and 12,077.58

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Solution

The fourth proportional to 28,722.48, 43,051.86 and 12,077.58 is: 18,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,722.48 : 43,051.86 = 12,077.58 : x
  2. Step 2: Convert to fraction form
    28,722.48/43,051.86 = 12,077.58/x
  3. Step 3: Cross multiply
    28,722.48x = 43,051.86 × 12,077.58
  4. Step 4: Simplify right side
    28,722.48x = 519,962,283.30
  5. Step 5: Solve for x
    x = 519,962,283.30/28,722.48
  6. Step 6: Final answer
    x = 18,102.97

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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.