Home / 28,415.04-42,571.67-17,315.88

Finding the Fourth Proportional to 28,415.04, 42,571.67 and 17,315.88

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Solution

The fourth proportional to 28,415.04, 42,571.67 and 17,315.88 is: 25,942.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,415.04 : 42,571.67 = 17,315.88 : x
  2. Step 2: Convert to fraction form
    28,415.04/42,571.67 = 17,315.88/x
  3. Step 3: Cross multiply
    28,415.04x = 42,571.67 × 17,315.88
  4. Step 4: Simplify right side
    28,415.04x = 737,165,842.54
  5. Step 5: Solve for x
    x = 737,165,842.54/28,415.04
  6. Step 6: Final answer
    x = 25,942.81

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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.