Home / 22,728.77-34,107.35-8,689.98

Finding the Fourth Proportional to 22,728.77, 34,107.35 and 8,689.98

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Solution

The fourth proportional to 22,728.77, 34,107.35 and 8,689.98 is: 13,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.77 : 34,107.35 = 8,689.98 : x
  2. Step 2: Convert to fraction form
    22,728.77/34,107.35 = 8,689.98/x
  3. Step 3: Cross multiply
    22,728.77x = 34,107.35 × 8,689.98
  4. Step 4: Simplify right side
    22,728.77x = 296,392,145.90
  5. Step 5: Solve for x
    x = 296,392,145.90/22,728.77
  6. Step 6: Final answer
    x = 13,040.40

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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.