Home / 28,824.78-43,199.46-14,772.90

Finding the Fourth Proportional to 28,824.78, 43,199.46 and 14,772.90

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Solution

The fourth proportional to 28,824.78, 43,199.46 and 14,772.90 is: 22,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.78 : 43,199.46 = 14,772.90 : x
  2. Step 2: Convert to fraction form
    28,824.78/43,199.46 = 14,772.90/x
  3. Step 3: Cross multiply
    28,824.78x = 43,199.46 × 14,772.90
  4. Step 4: Simplify right side
    28,824.78x = 638,181,302.63
  5. Step 5: Solve for x
    x = 638,181,302.63/28,824.78
  6. Step 6: Final answer
    x = 22,140.02

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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.