Home / 21,675.24-32,567.67-20,800.44

Finding the Fourth Proportional to 21,675.24, 32,567.67 and 20,800.44

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Solution

The fourth proportional to 21,675.24, 32,567.67 and 20,800.44 is: 31,253.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675.24 : 32,567.67 = 20,800.44 : x
  2. Step 2: Convert to fraction form
    21,675.24/32,567.67 = 20,800.44/x
  3. Step 3: Cross multiply
    21,675.24x = 32,567.67 × 20,800.44
  4. Step 4: Simplify right side
    21,675.24x = 677,421,865.77
  5. Step 5: Solve for x
    x = 677,421,865.77/21,675.24
  6. Step 6: Final answer
    x = 31,253.26

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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.