Home / 28,562.22-39,379.31-19,594.15

Finding the Fourth Proportional to 28,562.22, 39,379.31 and 19,594.15

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Solution

The fourth proportional to 28,562.22, 39,379.31 and 19,594.15 is: 27,014.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,562.22 : 39,379.31 = 19,594.15 : x
  2. Step 2: Convert to fraction form
    28,562.22/39,379.31 = 19,594.15/x
  3. Step 3: Cross multiply
    28,562.22x = 39,379.31 × 19,594.15
  4. Step 4: Simplify right side
    28,562.22x = 771,604,315.82
  5. Step 5: Solve for x
    x = 771,604,315.82/28,562.22
  6. Step 6: Final answer
    x = 27,014.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.