Home / 25,836.58-38,708.07-21,703.15

Finding the Fourth Proportional to 25,836.58, 38,708.07 and 21,703.15

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Solution

The fourth proportional to 25,836.58, 38,708.07 and 21,703.15 is: 32,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,836.58 : 38,708.07 = 21,703.15 : x
  2. Step 2: Convert to fraction form
    25,836.58/38,708.07 = 21,703.15/x
  3. Step 3: Cross multiply
    25,836.58x = 38,708.07 × 21,703.15
  4. Step 4: Simplify right side
    25,836.58x = 840,087,049.42
  5. Step 5: Solve for x
    x = 840,087,049.42/25,836.58
  6. Step 6: Final answer
    x = 32,515.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.