Home / 20,289.47-30,384.52-16,757.87

Finding the Fourth Proportional to 20,289.47, 30,384.52 and 16,757.87

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Solution

The fourth proportional to 20,289.47, 30,384.52 and 16,757.87 is: 25,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289.47 : 30,384.52 = 16,757.87 : x
  2. Step 2: Convert to fraction form
    20,289.47/30,384.52 = 16,757.87/x
  3. Step 3: Cross multiply
    20,289.47x = 30,384.52 × 16,757.87
  4. Step 4: Simplify right side
    20,289.47x = 509,179,642.36
  5. Step 5: Solve for x
    x = 509,179,642.36/20,289.47
  6. Step 6: Final answer
    x = 25,095.76

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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.