Home / 28,759.01-43,138.51-13,176.63

Finding the Fourth Proportional to 28,759.01, 43,138.51 and 13,176.63

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Solution

The fourth proportional to 28,759.01, 43,138.51 and 13,176.63 is: 19,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759.01 : 43,138.51 = 13,176.63 : x
  2. Step 2: Convert to fraction form
    28,759.01/43,138.51 = 13,176.63/x
  3. Step 3: Cross multiply
    28,759.01x = 43,138.51 × 13,176.63
  4. Step 4: Simplify right side
    28,759.01x = 568,420,152.08
  5. Step 5: Solve for x
    x = 568,420,152.08/28,759.01
  6. Step 6: Final answer
    x = 19,764.95

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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.