Home / 25,784.56-35,580.90-15,171.94

Finding the Fourth Proportional to 25,784.56, 35,580.90 and 15,171.94

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Solution

The fourth proportional to 25,784.56, 35,580.90 and 15,171.94 is: 20,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,784.56 : 35,580.90 = 15,171.94 : x
  2. Step 2: Convert to fraction form
    25,784.56/35,580.90 = 15,171.94/x
  3. Step 3: Cross multiply
    25,784.56x = 35,580.90 × 15,171.94
  4. Step 4: Simplify right side
    25,784.56x = 539,831,279.95
  5. Step 5: Solve for x
    x = 539,831,279.95/25,784.56
  6. Step 6: Final answer
    x = 20,936.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.