Home / 21,770.83-32,730.07-17,384.53

Finding the Fourth Proportional to 21,770.83, 32,730.07 and 17,384.53

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Solution

The fourth proportional to 21,770.83, 32,730.07 and 17,384.53 is: 26,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,770.83 : 32,730.07 = 17,384.53 : x
  2. Step 2: Convert to fraction form
    21,770.83/32,730.07 = 17,384.53/x
  3. Step 3: Cross multiply
    21,770.83x = 32,730.07 × 17,384.53
  4. Step 4: Simplify right side
    21,770.83x = 568,996,913.86
  5. Step 5: Solve for x
    x = 568,996,913.86/21,770.83
  6. Step 6: Final answer
    x = 26,135.74

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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.