Home / 19,779.86-27,296.16-10,827.36

Finding the Fourth Proportional to 19,779.86, 27,296.16 and 10,827.36

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Solution

The fourth proportional to 19,779.86, 27,296.16 and 10,827.36 is: 14,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.86 : 27,296.16 = 10,827.36 : x
  2. Step 2: Convert to fraction form
    19,779.86/27,296.16 = 10,827.36/x
  3. Step 3: Cross multiply
    19,779.86x = 27,296.16 × 10,827.36
  4. Step 4: Simplify right side
    19,779.86x = 295,545,350.94
  5. Step 5: Solve for x
    x = 295,545,350.94/19,779.86
  6. Step 6: Final answer
    x = 14,941.73

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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.