Home / 18,962.64-28,468.60-14,583.20

Finding the Fourth Proportional to 18,962.64, 28,468.60 and 14,583.20

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Solution

The fourth proportional to 18,962.64, 28,468.60 and 14,583.20 is: 21,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.64 : 28,468.60 = 14,583.20 : x
  2. Step 2: Convert to fraction form
    18,962.64/28,468.60 = 14,583.20/x
  3. Step 3: Cross multiply
    18,962.64x = 28,468.60 × 14,583.20
  4. Step 4: Simplify right side
    18,962.64x = 415,163,287.52
  5. Step 5: Solve for x
    x = 415,163,287.52/18,962.64
  6. Step 6: Final answer
    x = 21,893.75

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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.