Home / 28,871.09-43,329.33-14,830.55

Finding the Fourth Proportional to 28,871.09, 43,329.33 and 14,830.55

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Solution

The fourth proportional to 28,871.09, 43,329.33 and 14,830.55 is: 22,257.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,871.09 : 43,329.33 = 14,830.55 : x
  2. Step 2: Convert to fraction form
    28,871.09/43,329.33 = 14,830.55/x
  3. Step 3: Cross multiply
    28,871.09x = 43,329.33 × 14,830.55
  4. Step 4: Simplify right side
    28,871.09x = 642,597,795.03
  5. Step 5: Solve for x
    x = 642,597,795.03/28,871.09
  6. Step 6: Final answer
    x = 22,257.48

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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.