Home / 28,468.08-42,608.88-25,739.76

Finding the Fourth Proportional to 28,468.08, 42,608.88 and 25,739.76

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Solution

The fourth proportional to 28,468.08, 42,608.88 and 25,739.76 is: 38,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,468.08 : 42,608.88 = 25,739.76 : x
  2. Step 2: Convert to fraction form
    28,468.08/42,608.88 = 25,739.76/x
  3. Step 3: Cross multiply
    28,468.08x = 42,608.88 × 25,739.76
  4. Step 4: Simplify right side
    28,468.08x = 1,096,742,345.07
  5. Step 5: Solve for x
    x = 1,096,742,345.07/28,468.08
  6. Step 6: Final answer
    x = 38,525.34

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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.