Home / 28,012.91-41,975.57-17,602.79

Finding the Fourth Proportional to 28,012.91, 41,975.57 and 17,602.79

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Solution

The fourth proportional to 28,012.91, 41,975.57 and 17,602.79 is: 26,376.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012.91 : 41,975.57 = 17,602.79 : x
  2. Step 2: Convert to fraction form
    28,012.91/41,975.57 = 17,602.79/x
  3. Step 3: Cross multiply
    28,012.91x = 41,975.57 × 17,602.79
  4. Step 4: Simplify right side
    28,012.91x = 738,886,977.97
  5. Step 5: Solve for x
    x = 738,886,977.97/28,012.91
  6. Step 6: Final answer
    x = 26,376.66

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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.