Home / 23,804.90-32,866.80-21,278.94

Finding the Fourth Proportional to 23,804.90, 32,866.80 and 21,278.94

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Solution

The fourth proportional to 23,804.90, 32,866.80 and 21,278.94 is: 29,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,804.90 : 32,866.80 = 21,278.94 : x
  2. Step 2: Convert to fraction form
    23,804.90/32,866.80 = 21,278.94/x
  3. Step 3: Cross multiply
    23,804.90x = 32,866.80 × 21,278.94
  4. Step 4: Simplify right side
    23,804.90x = 699,370,665.19
  5. Step 5: Solve for x
    x = 699,370,665.19/23,804.90
  6. Step 6: Final answer
    x = 29,379.27

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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.