Home / 19,779.75-27,294.75-10,827.36

Finding the Fourth Proportional to 19,779.75, 27,294.75 and 10,827.36

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Solution

The fourth proportional to 19,779.75, 27,294.75 and 10,827.36 is: 14,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.75 : 27,294.75 = 10,827.36 : x
  2. Step 2: Convert to fraction form
    19,779.75/27,294.75 = 10,827.36/x
  3. Step 3: Cross multiply
    19,779.75x = 27,294.75 × 10,827.36
  4. Step 4: Simplify right side
    19,779.75x = 295,530,084.36
  5. Step 5: Solve for x
    x = 295,530,084.36/19,779.75
  6. Step 6: Final answer
    x = 14,941.04

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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.