Home / 28,406.48-39,201.10-16,476.90

Finding the Fourth Proportional to 28,406.48, 39,201.10 and 16,476.90

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Solution

The fourth proportional to 28,406.48, 39,201.10 and 16,476.90 is: 22,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406.48 : 39,201.10 = 16,476.90 : x
  2. Step 2: Convert to fraction form
    28,406.48/39,201.10 = 16,476.90/x
  3. Step 3: Cross multiply
    28,406.48x = 39,201.10 × 16,476.90
  4. Step 4: Simplify right side
    28,406.48x = 645,912,604.59
  5. Step 5: Solve for x
    x = 645,912,604.59/28,406.48
  6. Step 6: Final answer
    x = 22,738.21

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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.