Home / 28,939.46-43,359.68-15,801.08

Finding the Fourth Proportional to 28,939.46, 43,359.68 and 15,801.08

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Solution

The fourth proportional to 28,939.46, 43,359.68 and 15,801.08 is: 23,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.46 : 43,359.68 = 15,801.08 : x
  2. Step 2: Convert to fraction form
    28,939.46/43,359.68 = 15,801.08/x
  3. Step 3: Cross multiply
    28,939.46x = 43,359.68 × 15,801.08
  4. Step 4: Simplify right side
    28,939.46x = 685,129,772.45
  5. Step 5: Solve for x
    x = 685,129,772.45/28,939.46
  6. Step 6: Final answer
    x = 23,674.59

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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.