Home / 21,779.32-32,668.89-14,382.02

Finding the Fourth Proportional to 21,779.32, 32,668.89 and 14,382.02

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Solution

The fourth proportional to 21,779.32, 32,668.89 and 14,382.02 is: 21,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,779.32 : 32,668.89 = 14,382.02 : x
  2. Step 2: Convert to fraction form
    21,779.32/32,668.89 = 14,382.02/x
  3. Step 3: Cross multiply
    21,779.32x = 32,668.89 × 14,382.02
  4. Step 4: Simplify right side
    21,779.32x = 469,844,629.36
  5. Step 5: Solve for x
    x = 469,844,629.36/21,779.32
  6. Step 6: Final answer
    x = 21,572.97

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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.