Home / 27,725.00-38,260.46-15,788.34

Finding the Fourth Proportional to 27,725.00, 38,260.46 and 15,788.34

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Solution

The fourth proportional to 27,725.00, 38,260.46 and 15,788.34 is: 21,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.00 : 38,260.46 = 15,788.34 : x
  2. Step 2: Convert to fraction form
    27,725.00/38,260.46 = 15,788.34/x
  3. Step 3: Cross multiply
    27,725.00x = 38,260.46 × 15,788.34
  4. Step 4: Simplify right side
    27,725.00x = 604,069,072.09
  5. Step 5: Solve for x
    x = 604,069,072.09/27,725.00
  6. Step 6: Final answer
    x = 21,787.88

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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.