Home / 18,866.22-28,272.75-14,900.00

Finding the Fourth Proportional to 18,866.22, 28,272.75 and 14,900.00

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Solution

The fourth proportional to 18,866.22, 28,272.75 and 14,900.00 is: 22,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,866.22 : 28,272.75 = 14,900.00 : x
  2. Step 2: Convert to fraction form
    18,866.22/28,272.75 = 14,900.00/x
  3. Step 3: Cross multiply
    18,866.22x = 28,272.75 × 14,900.00
  4. Step 4: Simplify right side
    18,866.22x = 421,263,936.80
  5. Step 5: Solve for x
    x = 421,263,936.80/18,866.22
  6. Step 6: Final answer
    x = 22,329.01

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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.