Home / 17,521.92-26,114.40-16,783.20

Finding the Fourth Proportional to 17,521.92, 26,114.40 and 16,783.20

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Solution

The fourth proportional to 17,521.92, 26,114.40 and 16,783.20 is: 25,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,521.92 : 26,114.40 = 16,783.20 : x
  2. Step 2: Convert to fraction form
    17,521.92/26,114.40 = 16,783.20/x
  3. Step 3: Cross multiply
    17,521.92x = 26,114.40 × 16,783.20
  4. Step 4: Simplify right side
    17,521.92x = 438,283,198.08
  5. Step 5: Solve for x
    x = 438,283,198.08/17,521.92
  6. Step 6: Final answer
    x = 25,013.42

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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.