Home / 21,610.35-32,342.22-13,295.61

Finding the Fourth Proportional to 21,610.35, 32,342.22 and 13,295.61

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Solution

The fourth proportional to 21,610.35, 32,342.22 and 13,295.61 is: 19,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610.35 : 32,342.22 = 13,295.61 : x
  2. Step 2: Convert to fraction form
    21,610.35/32,342.22 = 13,295.61/x
  3. Step 3: Cross multiply
    21,610.35x = 32,342.22 × 13,295.61
  4. Step 4: Simplify right side
    21,610.35x = 430,009,543.65
  5. Step 5: Solve for x
    x = 430,009,543.65/21,610.35
  6. Step 6: Final answer
    x = 19,898.31

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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.