Home / 28,829.78-43,206.96-14,777.90

Finding the Fourth Proportional to 28,829.78, 43,206.96 and 14,777.90

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Solution

The fourth proportional to 28,829.78, 43,206.96 and 14,777.90 is: 22,147.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.78 : 43,206.96 = 14,777.90 : x
  2. Step 2: Convert to fraction form
    28,829.78/43,206.96 = 14,777.90/x
  3. Step 3: Cross multiply
    28,829.78x = 43,206.96 × 14,777.90
  4. Step 4: Simplify right side
    28,829.78x = 638,508,134.18
  5. Step 5: Solve for x
    x = 638,508,134.18/28,829.78
  6. Step 6: Final answer
    x = 22,147.52

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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.