Home / 19,779.21-27,294.44-10,827.09

Finding the Fourth Proportional to 19,779.21, 27,294.44 and 10,827.09

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Solution

The fourth proportional to 19,779.21, 27,294.44 and 10,827.09 is: 14,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.21 : 27,294.44 = 10,827.09 : x
  2. Step 2: Convert to fraction form
    19,779.21/27,294.44 = 10,827.09/x
  3. Step 3: Cross multiply
    19,779.21x = 27,294.44 × 10,827.09
  4. Step 4: Simplify right side
    19,779.21x = 295,519,304.24
  5. Step 5: Solve for x
    x = 295,519,304.24/19,779.21
  6. Step 6: Final answer
    x = 14,940.91

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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.