Home / 28,201.27-38,921.84-16,262.23

Finding the Fourth Proportional to 28,201.27, 38,921.84 and 16,262.23

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Solution

The fourth proportional to 28,201.27, 38,921.84 and 16,262.23 is: 22,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,201.27 : 38,921.84 = 16,262.23 : x
  2. Step 2: Convert to fraction form
    28,201.27/38,921.84 = 16,262.23/x
  3. Step 3: Cross multiply
    28,201.27x = 38,921.84 × 16,262.23
  4. Step 4: Simplify right side
    28,201.27x = 632,955,914.10
  5. Step 5: Solve for x
    x = 632,955,914.10/28,201.27
  6. Step 6: Final answer
    x = 22,444.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.