Home / 28,840.42-43,260.34-9,118.98

Finding the Fourth Proportional to 28,840.42, 43,260.34 and 9,118.98

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Solution

The fourth proportional to 28,840.42, 43,260.34 and 9,118.98 is: 13,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,840.42 : 43,260.34 = 9,118.98 : x
  2. Step 2: Convert to fraction form
    28,840.42/43,260.34 = 9,118.98/x
  3. Step 3: Cross multiply
    28,840.42x = 43,260.34 × 9,118.98
  4. Step 4: Simplify right side
    28,840.42x = 394,490,175.25
  5. Step 5: Solve for x
    x = 394,490,175.25/28,840.42
  6. Step 6: Final answer
    x = 13,678.38

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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.