Home / 19,779.54-27,295.80-10,827.61

Finding the Fourth Proportional to 19,779.54, 27,295.80 and 10,827.61

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Solution

The fourth proportional to 19,779.54, 27,295.80 and 10,827.61 is: 14,942.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,779.54 : 27,295.80 = 10,827.61 : x
  2. Step 2: Convert to fraction form
    19,779.54/27,295.80 = 10,827.61/x
  3. Step 3: Cross multiply
    19,779.54x = 27,295.80 × 10,827.61
  4. Step 4: Simplify right side
    19,779.54x = 295,548,277.04
  5. Step 5: Solve for x
    x = 295,548,277.04/19,779.54
  6. Step 6: Final answer
    x = 14,942.12

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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.