Home / 21,779.88-32,647.76-14,760.61

Finding the Fourth Proportional to 21,779.88, 32,647.76 and 14,760.61

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Solution

The fourth proportional to 21,779.88, 32,647.76 and 14,760.61 is: 22,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,779.88 : 32,647.76 = 14,760.61 : x
  2. Step 2: Convert to fraction form
    21,779.88/32,647.76 = 14,760.61/x
  3. Step 3: Cross multiply
    21,779.88x = 32,647.76 × 14,760.61
  4. Step 4: Simplify right side
    21,779.88x = 481,900,852.73
  5. Step 5: Solve for x
    x = 481,900,852.73/21,779.88
  6. Step 6: Final answer
    x = 22,125.96

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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.