Home / 21,775.55-32,666.96-19,571.54

Finding the Fourth Proportional to 21,775.55, 32,666.96 and 19,571.54

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Solution

The fourth proportional to 21,775.55, 32,666.96 and 19,571.54 is: 29,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,775.55 : 32,666.96 = 19,571.54 : x
  2. Step 2: Convert to fraction form
    21,775.55/32,666.96 = 19,571.54/x
  3. Step 3: Cross multiply
    21,775.55x = 32,666.96 × 19,571.54
  4. Step 4: Simplify right side
    21,775.55x = 639,342,599.91
  5. Step 5: Solve for x
    x = 639,342,599.91/21,775.55
  6. Step 6: Final answer
    x = 29,360.58

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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.