Home / 16,728.76-25,088.28-5,038.84

Finding the Fourth Proportional to 16,728.76, 25,088.28 and 5,038.84

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Solution

The fourth proportional to 16,728.76, 25,088.28 and 5,038.84 is: 7,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.76 : 25,088.28 = 5,038.84 : x
  2. Step 2: Convert to fraction form
    16,728.76/25,088.28 = 5,038.84/x
  3. Step 3: Cross multiply
    16,728.76x = 25,088.28 × 5,038.84
  4. Step 4: Simplify right side
    16,728.76x = 126,415,828.80
  5. Step 5: Solve for x
    x = 126,415,828.80/16,728.76
  6. Step 6: Final answer
    x = 7,556.80

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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.