Home / 28,467.79-42,727.60-15,151.96

Finding the Fourth Proportional to 28,467.79, 42,727.60 and 15,151.96

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Solution

The fourth proportional to 28,467.79, 42,727.60 and 15,151.96 is: 22,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467.79 : 42,727.60 = 15,151.96 : x
  2. Step 2: Convert to fraction form
    28,467.79/42,727.60 = 15,151.96/x
  3. Step 3: Cross multiply
    28,467.79x = 42,727.60 × 15,151.96
  4. Step 4: Simplify right side
    28,467.79x = 647,407,036.00
  5. Step 5: Solve for x
    x = 647,407,036.00/28,467.79
  6. Step 6: Final answer
    x = 22,741.74

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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.