Home / 25,315.39-34,933.66-15,247.09

Finding the Fourth Proportional to 25,315.39, 34,933.66 and 15,247.09

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Solution

The fourth proportional to 25,315.39, 34,933.66 and 15,247.09 is: 21,040.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.39 : 34,933.66 = 15,247.09 : x
  2. Step 2: Convert to fraction form
    25,315.39/34,933.66 = 15,247.09/x
  3. Step 3: Cross multiply
    25,315.39x = 34,933.66 × 15,247.09
  4. Step 4: Simplify right side
    25,315.39x = 532,636,658.05
  5. Step 5: Solve for x
    x = 532,636,658.05/25,315.39
  6. Step 6: Final answer
    x = 21,040.03

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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.