Home / 28,500.44-42,751.38-13,504.04

Finding the Fourth Proportional to 28,500.44, 42,751.38 and 13,504.04

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Solution

The fourth proportional to 28,500.44, 42,751.38 and 13,504.04 is: 20,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500.44 : 42,751.38 = 13,504.04 : x
  2. Step 2: Convert to fraction form
    28,500.44/42,751.38 = 13,504.04/x
  3. Step 3: Cross multiply
    28,500.44x = 42,751.38 × 13,504.04
  4. Step 4: Simplify right side
    28,500.44x = 577,316,131.82
  5. Step 5: Solve for x
    x = 577,316,131.82/28,500.44
  6. Step 6: Final answer
    x = 20,256.40

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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.