Home / 21,748.14-32,572.69-12,964.90

Finding the Fourth Proportional to 21,748.14, 32,572.69 and 12,964.90

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Solution

The fourth proportional to 21,748.14, 32,572.69 and 12,964.90 is: 19,417.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748.14 : 32,572.69 = 12,964.90 : x
  2. Step 2: Convert to fraction form
    21,748.14/32,572.69 = 12,964.90/x
  3. Step 3: Cross multiply
    21,748.14x = 32,572.69 × 12,964.90
  4. Step 4: Simplify right side
    21,748.14x = 422,301,668.58
  5. Step 5: Solve for x
    x = 422,301,668.58/21,748.14
  6. Step 6: Final answer
    x = 19,417.83

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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.