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Finding the Fourth Proportional to 24,858.72, 37,261.16 and 12,388.08

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Solution

The fourth proportional to 24,858.72, 37,261.16 and 12,388.08 is: 18,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,858.72 : 37,261.16 = 12,388.08 : x
  2. Step 2: Convert to fraction form
    24,858.72/37,261.16 = 12,388.08/x
  3. Step 3: Cross multiply
    24,858.72x = 37,261.16 × 12,388.08
  4. Step 4: Simplify right side
    24,858.72x = 461,594,230.97
  5. Step 5: Solve for x
    x = 461,594,230.97/24,858.72
  6. Step 6: Final answer
    x = 18,568.70

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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.