Home / 28,397.88-42,559.56-12,597.48

Finding the Fourth Proportional to 28,397.88, 42,559.56 and 12,597.48

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Solution

The fourth proportional to 28,397.88, 42,559.56 and 12,597.48 is: 18,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.88 : 42,559.56 = 12,597.48 : x
  2. Step 2: Convert to fraction form
    28,397.88/42,559.56 = 12,597.48/x
  3. Step 3: Cross multiply
    28,397.88x = 42,559.56 × 12,597.48
  4. Step 4: Simplify right side
    28,397.88x = 536,143,205.91
  5. Step 5: Solve for x
    x = 536,143,205.91/28,397.88
  6. Step 6: Final answer
    x = 18,879.69

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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.