Home / 28,290.88-42,436.44-9,571.03

Finding the Fourth Proportional to 28,290.88, 42,436.44 and 9,571.03

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Solution

The fourth proportional to 28,290.88, 42,436.44 and 9,571.03 is: 14,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290.88 : 42,436.44 = 9,571.03 : x
  2. Step 2: Convert to fraction form
    28,290.88/42,436.44 = 9,571.03/x
  3. Step 3: Cross multiply
    28,290.88x = 42,436.44 × 9,571.03
  4. Step 4: Simplify right side
    28,290.88x = 406,160,440.33
  5. Step 5: Solve for x
    x = 406,160,440.33/28,290.88
  6. Step 6: Final answer
    x = 14,356.59

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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.