Home / 27,804.22-38,372.58-15,869.36

Finding the Fourth Proportional to 27,804.22, 38,372.58 and 15,869.36

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Solution

The fourth proportional to 27,804.22, 38,372.58 and 15,869.36 is: 21,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.22 : 38,372.58 = 15,869.36 : x
  2. Step 2: Convert to fraction form
    27,804.22/38,372.58 = 15,869.36/x
  3. Step 3: Cross multiply
    27,804.22x = 38,372.58 × 15,869.36
  4. Step 4: Simplify right side
    27,804.22x = 608,948,382.08
  5. Step 5: Solve for x
    x = 608,948,382.08/27,804.22
  6. Step 6: Final answer
    x = 21,901.30

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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.