Home / 21,442.69-29,563.45-16,654.53

Finding the Fourth Proportional to 21,442.69, 29,563.45 and 16,654.53

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Solution

The fourth proportional to 21,442.69, 29,563.45 and 16,654.53 is: 22,961.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.69 : 29,563.45 = 16,654.53 : x
  2. Step 2: Convert to fraction form
    21,442.69/29,563.45 = 16,654.53/x
  3. Step 3: Cross multiply
    21,442.69x = 29,563.45 × 16,654.53
  4. Step 4: Simplify right side
    21,442.69x = 492,365,364.93
  5. Step 5: Solve for x
    x = 492,365,364.93/21,442.69
  6. Step 6: Final answer
    x = 22,961.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.