Home / 20,288.59-30,383.19-16,756.99

Finding the Fourth Proportional to 20,288.59, 30,383.19 and 16,756.99

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Solution

The fourth proportional to 20,288.59, 30,383.19 and 16,756.99 is: 25,094.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288.59 : 30,383.19 = 16,756.99 : x
  2. Step 2: Convert to fraction form
    20,288.59/30,383.19 = 16,756.99/x
  3. Step 3: Cross multiply
    20,288.59x = 30,383.19 × 16,756.99
  4. Step 4: Simplify right side
    20,288.59x = 509,130,811.00
  5. Step 5: Solve for x
    x = 509,130,811.00/20,288.59
  6. Step 6: Final answer
    x = 25,094.44

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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.