Home / 28,367.39-42,557.26-8,645.41

Finding the Fourth Proportional to 28,367.39, 42,557.26 and 8,645.41

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Solution

The fourth proportional to 28,367.39, 42,557.26 and 8,645.41 is: 12,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,367.39 : 42,557.26 = 8,645.41 : x
  2. Step 2: Convert to fraction form
    28,367.39/42,557.26 = 8,645.41/x
  3. Step 3: Cross multiply
    28,367.39x = 42,557.26 × 8,645.41
  4. Step 4: Simplify right side
    28,367.39x = 367,924,961.18
  5. Step 5: Solve for x
    x = 367,924,961.18/28,367.39
  6. Step 6: Final answer
    x = 12,970.00

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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.