Home / 27,815.52-38,300.40-25,586.40

Finding the Fourth Proportional to 27,815.52, 38,300.40 and 25,586.40

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Solution

The fourth proportional to 27,815.52, 38,300.40 and 25,586.40 is: 35,231.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.52 : 38,300.40 = 25,586.40 : x
  2. Step 2: Convert to fraction form
    27,815.52/38,300.40 = 25,586.40/x
  3. Step 3: Cross multiply
    27,815.52x = 38,300.40 × 25,586.40
  4. Step 4: Simplify right side
    27,815.52x = 979,969,354.56
  5. Step 5: Solve for x
    x = 979,969,354.56/27,815.52
  6. Step 6: Final answer
    x = 35,231.03

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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.