Home / 27,804.67-38,374.14-15,865.27

Finding the Fourth Proportional to 27,804.67, 38,374.14 and 15,865.27

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Solution

The fourth proportional to 27,804.67, 38,374.14 and 15,865.27 is: 21,896.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.67 : 38,374.14 = 15,865.27 : x
  2. Step 2: Convert to fraction form
    27,804.67/38,374.14 = 15,865.27/x
  3. Step 3: Cross multiply
    27,804.67x = 38,374.14 × 15,865.27
  4. Step 4: Simplify right side
    27,804.67x = 608,816,092.12
  5. Step 5: Solve for x
    x = 608,816,092.12/27,804.67
  6. Step 6: Final answer
    x = 21,896.18

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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.