Home / 25,789.06-35,594.56-15,715.42

Finding the Fourth Proportional to 25,789.06, 35,594.56 and 15,715.42

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Solution

The fourth proportional to 25,789.06, 35,594.56 and 15,715.42 is: 21,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.06 : 35,594.56 = 15,715.42 : x
  2. Step 2: Convert to fraction form
    25,789.06/35,594.56 = 15,715.42/x
  3. Step 3: Cross multiply
    25,789.06x = 35,594.56 × 15,715.42
  4. Step 4: Simplify right side
    25,789.06x = 559,383,434.97
  5. Step 5: Solve for x
    x = 559,383,434.97/25,789.06
  6. Step 6: Final answer
    x = 21,690.73

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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.