Home / 21,328.26-31,921.20-16,050.48

Finding the Fourth Proportional to 21,328.26, 31,921.20 and 16,050.48

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Solution

The fourth proportional to 21,328.26, 31,921.20 and 16,050.48 is: 24,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,328.26 : 31,921.20 = 16,050.48 : x
  2. Step 2: Convert to fraction form
    21,328.26/31,921.20 = 16,050.48/x
  3. Step 3: Cross multiply
    21,328.26x = 31,921.20 × 16,050.48
  4. Step 4: Simplify right side
    21,328.26x = 512,350,582.18
  5. Step 5: Solve for x
    x = 512,350,582.18/21,328.26
  6. Step 6: Final answer
    x = 24,022.15

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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.