Home / 16,979.90-25,333.59-15,108.80

Finding the Fourth Proportional to 16,979.90, 25,333.59 and 15,108.80

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Solution

The fourth proportional to 16,979.90, 25,333.59 and 15,108.80 is: 22,541.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.90 : 25,333.59 = 15,108.80 : x
  2. Step 2: Convert to fraction form
    16,979.90/25,333.59 = 15,108.80/x
  3. Step 3: Cross multiply
    16,979.90x = 25,333.59 × 15,108.80
  4. Step 4: Simplify right side
    16,979.90x = 382,760,069.05
  5. Step 5: Solve for x
    x = 382,760,069.05/16,979.90
  6. Step 6: Final answer
    x = 22,541.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.