Home / 28,587.81-42,796.65-25,584.33

Finding the Fourth Proportional to 28,587.81, 42,796.65 and 25,584.33

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Solution

The fourth proportional to 28,587.81, 42,796.65 and 25,584.33 is: 38,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.81 : 42,796.65 = 25,584.33 : x
  2. Step 2: Convert to fraction form
    28,587.81/42,796.65 = 25,584.33/x
  3. Step 3: Cross multiply
    28,587.81x = 42,796.65 × 25,584.33
  4. Step 4: Simplify right side
    28,587.81x = 1,094,923,616.49
  5. Step 5: Solve for x
    x = 1,094,923,616.49/28,587.81
  6. Step 6: Final answer
    x = 38,300.37

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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.