Home / 38,664.10-57,962.40-14,987.80

Finding the Fourth Proportional to 38,664.10, 57,962.40 and 14,987.80

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Solution

The fourth proportional to 38,664.10, 57,962.40 and 14,987.80 is: 22,468.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.10 : 57,962.40 = 14,987.80 : x
  2. Step 2: Convert to fraction form
    38,664.10/57,962.40 = 14,987.80/x
  3. Step 3: Cross multiply
    38,664.10x = 57,962.40 × 14,987.80
  4. Step 4: Simplify right side
    38,664.10x = 868,728,858.72
  5. Step 5: Solve for x
    x = 868,728,858.72/38,664.10
  6. Step 6: Final answer
    x = 22,468.62

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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.