Home / 28,367.11-42,557.47-8,644.46

Finding the Fourth Proportional to 28,367.11, 42,557.47 and 8,644.46

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Solution

The fourth proportional to 28,367.11, 42,557.47 and 8,644.46 is: 12,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,367.11 : 42,557.47 = 8,644.46 : x
  2. Step 2: Convert to fraction form
    28,367.11/42,557.47 = 8,644.46/x
  3. Step 3: Cross multiply
    28,367.11x = 42,557.47 × 8,644.46
  4. Step 4: Simplify right side
    28,367.11x = 367,886,112.72
  5. Step 5: Solve for x
    x = 367,886,112.72/28,367.11
  6. Step 6: Final answer
    x = 12,968.75

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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.