Home / 28,664.32-42,996.99-9,945.02

Finding the Fourth Proportional to 28,664.32, 42,996.99 and 9,945.02

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Solution

The fourth proportional to 28,664.32, 42,996.99 and 9,945.02 is: 14,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.32 : 42,996.99 = 9,945.02 : x
  2. Step 2: Convert to fraction form
    28,664.32/42,996.99 = 9,945.02/x
  3. Step 3: Cross multiply
    28,664.32x = 42,996.99 × 9,945.02
  4. Step 4: Simplify right side
    28,664.32x = 427,605,925.49
  5. Step 5: Solve for x
    x = 427,605,925.49/28,664.32
  6. Step 6: Final answer
    x = 14,917.71

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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.