Home / 28,675.37-43,013.05-8,955.61

Finding the Fourth Proportional to 28,675.37, 43,013.05 and 8,955.61

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Solution

The fourth proportional to 28,675.37, 43,013.05 and 8,955.61 is: 13,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,675.37 : 43,013.05 = 8,955.61 : x
  2. Step 2: Convert to fraction form
    28,675.37/43,013.05 = 8,955.61/x
  3. Step 3: Cross multiply
    28,675.37x = 43,013.05 × 8,955.61
  4. Step 4: Simplify right side
    28,675.37x = 385,208,237.92
  5. Step 5: Solve for x
    x = 385,208,237.92/28,675.37
  6. Step 6: Final answer
    x = 13,433.42

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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.