Home / 21,654.99-32,401.58-15,429.33

Finding the Fourth Proportional to 21,654.99, 32,401.58 and 15,429.33

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Solution

The fourth proportional to 21,654.99, 32,401.58 and 15,429.33 is: 23,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,654.99 : 32,401.58 = 15,429.33 : x
  2. Step 2: Convert to fraction form
    21,654.99/32,401.58 = 15,429.33/x
  3. Step 3: Cross multiply
    21,654.99x = 32,401.58 × 15,429.33
  4. Step 4: Simplify right side
    21,654.99x = 499,934,593.19
  5. Step 5: Solve for x
    x = 499,934,593.19/21,654.99
  6. Step 6: Final answer
    x = 23,086.35

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1.5x scale

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.