Home / 28,750.06-43,125.90-9,029.80

Finding the Fourth Proportional to 28,750.06, 43,125.90 and 9,029.80

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Solution

The fourth proportional to 28,750.06, 43,125.90 and 9,029.80 is: 13,544.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.06 : 43,125.90 = 9,029.80 : x
  2. Step 2: Convert to fraction form
    28,750.06/43,125.90 = 9,029.80/x
  3. Step 3: Cross multiply
    28,750.06x = 43,125.90 × 9,029.80
  4. Step 4: Simplify right side
    28,750.06x = 389,418,251.82
  5. Step 5: Solve for x
    x = 389,418,251.82/28,750.06
  6. Step 6: Final answer
    x = 13,544.95

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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.