Home / 20,018.79-30,053.70-16,328.22

Finding the Fourth Proportional to 20,018.79, 30,053.70 and 16,328.22

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Solution

The fourth proportional to 20,018.79, 30,053.70 and 16,328.22 is: 24,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.79 : 30,053.70 = 16,328.22 : x
  2. Step 2: Convert to fraction form
    20,018.79/30,053.70 = 16,328.22/x
  3. Step 3: Cross multiply
    20,018.79x = 30,053.70 × 16,328.22
  4. Step 4: Simplify right side
    20,018.79x = 490,723,425.41
  5. Step 5: Solve for x
    x = 490,723,425.41/20,018.79
  6. Step 6: Final answer
    x = 24,513.14

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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.