Home / 28,364.37-42,543.32-7,589.49

Finding the Fourth Proportional to 28,364.37, 42,543.32 and 7,589.49

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Solution

The fourth proportional to 28,364.37, 42,543.32 and 7,589.49 is: 11,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.37 : 42,543.32 = 7,589.49 : x
  2. Step 2: Convert to fraction form
    28,364.37/42,543.32 = 7,589.49/x
  3. Step 3: Cross multiply
    28,364.37x = 42,543.32 × 7,589.49
  4. Step 4: Simplify right side
    28,364.37x = 322,882,063.76
  5. Step 5: Solve for x
    x = 322,882,063.76/28,364.37
  6. Step 6: Final answer
    x = 11,383.37

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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.