Home / 28,216.26-38,947.23-17,464.86

Finding the Fourth Proportional to 28,216.26, 38,947.23 and 17,464.86

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Solution

The fourth proportional to 28,216.26, 38,947.23 and 17,464.86 is: 24,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216.26 : 38,947.23 = 17,464.86 : x
  2. Step 2: Convert to fraction form
    28,216.26/38,947.23 = 17,464.86/x
  3. Step 3: Cross multiply
    28,216.26x = 38,947.23 × 17,464.86
  4. Step 4: Simplify right side
    28,216.26x = 680,207,919.34
  5. Step 5: Solve for x
    x = 680,207,919.34/28,216.26
  6. Step 6: Final answer
    x = 24,106.95

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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.