Home / 21,985.52-32,985.56-14,618.97

Finding the Fourth Proportional to 21,985.52, 32,985.56 and 14,618.97

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Solution

The fourth proportional to 21,985.52, 32,985.56 and 14,618.97 is: 21,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985.52 : 32,985.56 = 14,618.97 : x
  2. Step 2: Convert to fraction form
    21,985.52/32,985.56 = 14,618.97/x
  3. Step 3: Cross multiply
    21,985.52x = 32,985.56 × 14,618.97
  4. Step 4: Simplify right side
    21,985.52x = 482,214,948.62
  5. Step 5: Solve for x
    x = 482,214,948.62/21,985.52
  6. Step 6: Final answer
    x = 21,933.30

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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.