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Finding the Fourth Proportional to 22,694.16, 34,041.40 and 21,702.80

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Solution

The fourth proportional to 22,694.16, 34,041.40 and 21,702.80 is: 32,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,694.16 : 34,041.40 = 21,702.80 : x
  2. Step 2: Convert to fraction form
    22,694.16/34,041.40 = 21,702.80/x
  3. Step 3: Cross multiply
    22,694.16x = 34,041.40 × 21,702.80
  4. Step 4: Simplify right side
    22,694.16x = 738,793,695.92
  5. Step 5: Solve for x
    x = 738,793,695.92/22,694.16
  6. Step 6: Final answer
    x = 32,554.35

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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.