Home / 21,747.65-32,571.95-12,964.41

Finding the Fourth Proportional to 21,747.65, 32,571.95 and 12,964.41

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Solution

The fourth proportional to 21,747.65, 32,571.95 and 12,964.41 is: 19,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.65 : 32,571.95 = 12,964.41 : x
  2. Step 2: Convert to fraction form
    21,747.65/32,571.95 = 12,964.41/x
  3. Step 3: Cross multiply
    21,747.65x = 32,571.95 × 12,964.41
  4. Step 4: Simplify right side
    21,747.65x = 422,276,049.48
  5. Step 5: Solve for x
    x = 422,276,049.48/21,747.65
  6. Step 6: Final answer
    x = 19,417.09

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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.