Home / 27,801.26-38,362.06-15,863.90

Finding the Fourth Proportional to 27,801.26, 38,362.06 and 15,863.90

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Solution

The fourth proportional to 27,801.26, 38,362.06 and 15,863.90 is: 21,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.26 : 38,362.06 = 15,863.90 : x
  2. Step 2: Convert to fraction form
    27,801.26/38,362.06 = 15,863.90/x
  3. Step 3: Cross multiply
    27,801.26x = 38,362.06 × 15,863.90
  4. Step 4: Simplify right side
    27,801.26x = 608,571,883.63
  5. Step 5: Solve for x
    x = 608,571,883.63/27,801.26
  6. Step 6: Final answer
    x = 21,890.08

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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.