Home / 19,028.72-28,549.84-8,497.79

Finding the Fourth Proportional to 19,028.72, 28,549.84 and 8,497.79

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Solution

The fourth proportional to 19,028.72, 28,549.84 and 8,497.79 is: 12,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.72 : 28,549.84 = 8,497.79 : x
  2. Step 2: Convert to fraction form
    19,028.72/28,549.84 = 8,497.79/x
  3. Step 3: Cross multiply
    19,028.72x = 28,549.84 × 8,497.79
  4. Step 4: Simplify right side
    19,028.72x = 242,610,447.46
  5. Step 5: Solve for x
    x = 242,610,447.46/19,028.72
  6. Step 6: Final answer
    x = 12,749.70

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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.