Home / 19,515.84-29,205.68-15,964.80

Finding the Fourth Proportional to 19,515.84, 29,205.68 and 15,964.80

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Solution

The fourth proportional to 19,515.84, 29,205.68 and 15,964.80 is: 23,891.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.84 : 29,205.68 = 15,964.80 : x
  2. Step 2: Convert to fraction form
    19,515.84/29,205.68 = 15,964.80/x
  3. Step 3: Cross multiply
    19,515.84x = 29,205.68 × 15,964.80
  4. Step 4: Simplify right side
    19,515.84x = 466,262,840.06
  5. Step 5: Solve for x
    x = 466,262,840.06/19,515.84
  6. Step 6: Final answer
    x = 23,891.51

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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.