Home / 21,730.72-32,591.78-6,935.64

Finding the Fourth Proportional to 21,730.72, 32,591.78 and 6,935.64

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Solution

The fourth proportional to 21,730.72, 32,591.78 and 6,935.64 is: 10,402.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730.72 : 32,591.78 = 6,935.64 : x
  2. Step 2: Convert to fraction form
    21,730.72/32,591.78 = 6,935.64/x
  3. Step 3: Cross multiply
    21,730.72x = 32,591.78 × 6,935.64
  4. Step 4: Simplify right side
    21,730.72x = 226,044,853.04
  5. Step 5: Solve for x
    x = 226,044,853.04/21,730.72
  6. Step 6: Final answer
    x = 10,402.09

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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.