Home / 19,779.99-27,296.46-10,827.57

Finding the Fourth Proportional to 19,779.99, 27,296.46 and 10,827.57

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Solution

The fourth proportional to 19,779.99, 27,296.46 and 10,827.57 is: 14,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.99 : 27,296.46 = 10,827.57 : x
  2. Step 2: Convert to fraction form
    19,779.99/27,296.46 = 10,827.57/x
  3. Step 3: Cross multiply
    19,779.99x = 27,296.46 × 10,827.57
  4. Step 4: Simplify right side
    19,779.99x = 295,554,331.40
  5. Step 5: Solve for x
    x = 295,554,331.40/19,779.99
  6. Step 6: Final answer
    x = 14,942.09

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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.