Home / 28,364.24-42,552.71-8,644.34

Finding the Fourth Proportional to 28,364.24, 42,552.71 and 8,644.34

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Solution

The fourth proportional to 28,364.24, 42,552.71 and 8,644.34 is: 12,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.24 : 42,552.71 = 8,644.34 : x
  2. Step 2: Convert to fraction form
    28,364.24/42,552.71 = 8,644.34/x
  3. Step 3: Cross multiply
    28,364.24x = 42,552.71 × 8,644.34
  4. Step 4: Simplify right side
    28,364.24x = 367,840,093.16
  5. Step 5: Solve for x
    x = 367,840,093.16/28,364.24
  6. Step 6: Final answer
    x = 12,968.45

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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.