Home / 27,804.32-38,362.32-15,863.36

Finding the Fourth Proportional to 27,804.32, 38,362.32 and 15,863.36

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Solution

The fourth proportional to 27,804.32, 38,362.32 and 15,863.36 is: 21,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804.32 : 38,362.32 = 15,863.36 : x
  2. Step 2: Convert to fraction form
    27,804.32/38,362.32 = 15,863.36/x
  3. Step 3: Cross multiply
    27,804.32x = 38,362.32 × 15,863.36
  4. Step 4: Simplify right side
    27,804.32x = 608,555,292.60
  5. Step 5: Solve for x
    x = 608,555,292.60/27,804.32
  6. Step 6: Final answer
    x = 21,887.08

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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.