Home / 20,331.27-28,050.03-14,584.05

Finding the Fourth Proportional to 20,331.27, 28,050.03 and 14,584.05

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Solution

The fourth proportional to 20,331.27, 28,050.03 and 14,584.05 is: 20,120.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331.27 : 28,050.03 = 14,584.05 : x
  2. Step 2: Convert to fraction form
    20,331.27/28,050.03 = 14,584.05/x
  3. Step 3: Cross multiply
    20,331.27x = 28,050.03 × 14,584.05
  4. Step 4: Simplify right side
    20,331.27x = 409,083,040.02
  5. Step 5: Solve for x
    x = 409,083,040.02/20,331.27
  6. Step 6: Final answer
    x = 20,120.88

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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.