Home / 21,664.70-32,509.06-10,571.48

Finding the Fourth Proportional to 21,664.70, 32,509.06 and 10,571.48

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Solution

The fourth proportional to 21,664.70, 32,509.06 and 10,571.48 is: 15,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664.70 : 32,509.06 = 10,571.48 : x
  2. Step 2: Convert to fraction form
    21,664.70/32,509.06 = 10,571.48/x
  3. Step 3: Cross multiply
    21,664.70x = 32,509.06 × 10,571.48
  4. Step 4: Simplify right side
    21,664.70x = 343,668,810.54
  5. Step 5: Solve for x
    x = 343,668,810.54/21,664.70
  6. Step 6: Final answer
    x = 15,863.08

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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.