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Finding the Fourth Proportional to 38,182, 57,274.08 and 10,480

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Solution

The fourth proportional to 38,182, 57,274.08 and 10,480 is: 15,720.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,182 : 57,274.08 = 10,480 : x
  2. Step 2: Convert to fraction form
    38,182/57,274.08 = 10,480/x
  3. Step 3: Cross multiply
    38,182x = 57,274.08 × 10,480
  4. Step 4: Simplify right side
    38,182x = 600,232,358.40
  5. Step 5: Solve for x
    x = 600,232,358.40/38,182
  6. Step 6: Final answer
    x = 15,720.30

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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.