Home / 28,257.44-42,392.98-8,534.80

Finding the Fourth Proportional to 28,257.44, 42,392.98 and 8,534.80

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Solution

The fourth proportional to 28,257.44, 42,392.98 and 8,534.80 is: 12,804.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,257.44 : 42,392.98 = 8,534.80 : x
  2. Step 2: Convert to fraction form
    28,257.44/42,392.98 = 8,534.80/x
  3. Step 3: Cross multiply
    28,257.44x = 42,392.98 × 8,534.80
  4. Step 4: Simplify right side
    28,257.44x = 361,815,605.70
  5. Step 5: Solve for x
    x = 361,815,605.70/28,257.44
  6. Step 6: Final answer
    x = 12,804.26

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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.