Home / 21,911.84-32,770.16-19,462.56

Finding the Fourth Proportional to 21,911.84, 32,770.16 and 19,462.56

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Solution

The fourth proportional to 21,911.84, 32,770.16 and 19,462.56 is: 29,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911.84 : 32,770.16 = 19,462.56 : x
  2. Step 2: Convert to fraction form
    21,911.84/32,770.16 = 19,462.56/x
  3. Step 3: Cross multiply
    21,911.84x = 32,770.16 × 19,462.56
  4. Step 4: Simplify right side
    21,911.84x = 637,791,205.21
  5. Step 5: Solve for x
    x = 637,791,205.21/21,911.84
  6. Step 6: Final answer
    x = 29,107.15

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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.