Home / 28,858.70-43,328.31-14,830.61

Finding the Fourth Proportional to 28,858.70, 43,328.31 and 14,830.61

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Solution

The fourth proportional to 28,858.70, 43,328.31 and 14,830.61 is: 22,266.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858.70 : 43,328.31 = 14,830.61 : x
  2. Step 2: Convert to fraction form
    28,858.70/43,328.31 = 14,830.61/x
  3. Step 3: Cross multiply
    28,858.70x = 43,328.31 × 14,830.61
  4. Step 4: Simplify right side
    28,858.70x = 642,585,375.89
  5. Step 5: Solve for x
    x = 642,585,375.89/28,858.70
  6. Step 6: Final answer
    x = 22,266.61

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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.