Home / 21,646.45-32,424.21-13,744.92

Finding the Fourth Proportional to 21,646.45, 32,424.21 and 13,744.92

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Solution

The fourth proportional to 21,646.45, 32,424.21 and 13,744.92 is: 20,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.45 : 32,424.21 = 13,744.92 : x
  2. Step 2: Convert to fraction form
    21,646.45/32,424.21 = 13,744.92/x
  3. Step 3: Cross multiply
    21,646.45x = 32,424.21 × 13,744.92
  4. Step 4: Simplify right side
    21,646.45x = 445,668,172.51
  5. Step 5: Solve for x
    x = 445,668,172.51/21,646.45
  6. Step 6: Final answer
    x = 20,588.51

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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.