Home / 21,658.62-32,487.88-15,772.93

Finding the Fourth Proportional to 21,658.62, 32,487.88 and 15,772.93

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Solution

The fourth proportional to 21,658.62, 32,487.88 and 15,772.93 is: 23,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,658.62 : 32,487.88 = 15,772.93 : x
  2. Step 2: Convert to fraction form
    21,658.62/32,487.88 = 15,772.93/x
  3. Step 3: Cross multiply
    21,658.62x = 32,487.88 × 15,772.93
  4. Step 4: Simplify right side
    21,658.62x = 512,429,057.09
  5. Step 5: Solve for x
    x = 512,429,057.09/21,658.62
  6. Step 6: Final answer
    x = 23,659.36

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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.