Home / 28,750.10-43,126.98-9,029.44

Finding the Fourth Proportional to 28,750.10, 43,126.98 and 9,029.44

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Solution

The fourth proportional to 28,750.10, 43,126.98 and 9,029.44 is: 13,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.10 : 43,126.98 = 9,029.44 : x
  2. Step 2: Convert to fraction form
    28,750.10/43,126.98 = 9,029.44/x
  3. Step 3: Cross multiply
    28,750.10x = 43,126.98 × 9,029.44
  4. Step 4: Simplify right side
    28,750.10x = 389,412,262.66
  5. Step 5: Solve for x
    x = 389,412,262.66/28,750.10
  6. Step 6: Final answer
    x = 13,544.73

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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.