Home / 21,395.99-29,525.27-11,835.32

Finding the Fourth Proportional to 21,395.99, 29,525.27 and 11,835.32

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Solution

The fourth proportional to 21,395.99, 29,525.27 and 11,835.32 is: 16,332.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,395.99 : 29,525.27 = 11,835.32 : x
  2. Step 2: Convert to fraction form
    21,395.99/29,525.27 = 11,835.32/x
  3. Step 3: Cross multiply
    21,395.99x = 29,525.27 × 11,835.32
  4. Step 4: Simplify right side
    21,395.99x = 349,440,811.73
  5. Step 5: Solve for x
    x = 349,440,811.73/21,395.99
  6. Step 6: Final answer
    x = 16,332.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.