Home / 26,633.76-39,950.96-12,779.52

Finding the Fourth Proportional to 26,633.76, 39,950.96 and 12,779.52

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Solution

The fourth proportional to 26,633.76, 39,950.96 and 12,779.52 is: 19,169.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,633.76 : 39,950.96 = 12,779.52 : x
  2. Step 2: Convert to fraction form
    26,633.76/39,950.96 = 12,779.52/x
  3. Step 3: Cross multiply
    26,633.76x = 39,950.96 × 12,779.52
  4. Step 4: Simplify right side
    26,633.76x = 510,554,092.34
  5. Step 5: Solve for x
    x = 510,554,092.34/26,633.76
  6. Step 6: Final answer
    x = 19,169.43

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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.