Home / 19,779.89-27,296.29-10,827.97

Finding the Fourth Proportional to 19,779.89, 27,296.29 and 10,827.97

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Solution

The fourth proportional to 19,779.89, 27,296.29 and 10,827.97 is: 14,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.89 : 27,296.29 = 10,827.97 : x
  2. Step 2: Convert to fraction form
    19,779.89/27,296.29 = 10,827.97/x
  3. Step 3: Cross multiply
    19,779.89x = 27,296.29 × 10,827.97
  4. Step 4: Simplify right side
    19,779.89x = 295,563,313.92
  5. Step 5: Solve for x
    x = 295,563,313.92/19,779.89
  6. Step 6: Final answer
    x = 14,942.61

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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.