Home / 28,829.70-43,212.15-14,784.30

Finding the Fourth Proportional to 28,829.70, 43,212.15 and 14,784.30

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Solution

The fourth proportional to 28,829.70, 43,212.15 and 14,784.30 is: 22,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.70 : 43,212.15 = 14,784.30 : x
  2. Step 2: Convert to fraction form
    28,829.70/43,212.15 = 14,784.30/x
  3. Step 3: Cross multiply
    28,829.70x = 43,212.15 × 14,784.30
  4. Step 4: Simplify right side
    28,829.70x = 638,861,389.25
  5. Step 5: Solve for x
    x = 638,861,389.25/28,829.70
  6. Step 6: Final answer
    x = 22,159.83

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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.