Home / 21,747.55-32,622-10,346.99

Finding the Fourth Proportional to 21,747.55, 32,622 and 10,346.99

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Solution

The fourth proportional to 21,747.55, 32,622 and 10,346.99 is: 15,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.55 : 32,622 = 10,346.99 : x
  2. Step 2: Convert to fraction form
    21,747.55/32,622 = 10,346.99/x
  3. Step 3: Cross multiply
    21,747.55x = 32,622 × 10,346.99
  4. Step 4: Simplify right side
    21,747.55x = 337,539,344.67
  5. Step 5: Solve for x
    x = 337,539,344.67/21,747.55
  6. Step 6: Final answer
    x = 15,520.80

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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.