Home / 19,180.38-28,732.28-15,238.30

Finding the Fourth Proportional to 19,180.38, 28,732.28 and 15,238.30

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Solution

The fourth proportional to 19,180.38, 28,732.28 and 15,238.30 is: 22,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.38 : 28,732.28 = 15,238.30 : x
  2. Step 2: Convert to fraction form
    19,180.38/28,732.28 = 15,238.30/x
  3. Step 3: Cross multiply
    19,180.38x = 28,732.28 × 15,238.30
  4. Step 4: Simplify right side
    19,180.38x = 437,831,102.32
  5. Step 5: Solve for x
    x = 437,831,102.32/19,180.38
  6. Step 6: Final answer
    x = 22,827.03

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1.5x scale

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.