Home / 19,334.84-28,979.78-15,830.78

Finding the Fourth Proportional to 19,334.84, 28,979.78 and 15,830.78

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Solution

The fourth proportional to 19,334.84, 28,979.78 and 15,830.78 is: 23,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.84 : 28,979.78 = 15,830.78 : x
  2. Step 2: Convert to fraction form
    19,334.84/28,979.78 = 15,830.78/x
  3. Step 3: Cross multiply
    19,334.84x = 28,979.78 × 15,830.78
  4. Step 4: Simplify right side
    19,334.84x = 458,772,297.58
  5. Step 5: Solve for x
    x = 458,772,297.58/19,334.84
  6. Step 6: Final answer
    x = 23,727.76

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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.