Home / 28,706.37-43,059.57-15,641.79

Finding the Fourth Proportional to 28,706.37, 43,059.57 and 15,641.79

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Solution

The fourth proportional to 28,706.37, 43,059.57 and 15,641.79 is: 23,462.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,706.37 : 43,059.57 = 15,641.79 : x
  2. Step 2: Convert to fraction form
    28,706.37/43,059.57 = 15,641.79/x
  3. Step 3: Cross multiply
    28,706.37x = 43,059.57 × 15,641.79
  4. Step 4: Simplify right side
    28,706.37x = 673,528,751.43
  5. Step 5: Solve for x
    x = 673,528,751.43/28,706.37
  6. Step 6: Final answer
    x = 23,462.69

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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.