Home / 28,433.18-42,652.50-8,708.26

Finding the Fourth Proportional to 28,433.18, 42,652.50 and 8,708.26

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Solution

The fourth proportional to 28,433.18, 42,652.50 and 8,708.26 is: 13,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,433.18 : 42,652.50 = 8,708.26 : x
  2. Step 2: Convert to fraction form
    28,433.18/42,652.50 = 8,708.26/x
  3. Step 3: Cross multiply
    28,433.18x = 42,652.50 × 8,708.26
  4. Step 4: Simplify right side
    28,433.18x = 371,429,059.65
  5. Step 5: Solve for x
    x = 371,429,059.65/28,433.18
  6. Step 6: Final answer
    x = 13,063.23

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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.