Home / 27,458.76-41,156.32-12,636.56

Finding the Fourth Proportional to 27,458.76, 41,156.32 and 12,636.56

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Solution

The fourth proportional to 27,458.76, 41,156.32 and 12,636.56 is: 18,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.76 : 41,156.32 = 12,636.56 : x
  2. Step 2: Convert to fraction form
    27,458.76/41,156.32 = 12,636.56/x
  3. Step 3: Cross multiply
    27,458.76x = 41,156.32 × 12,636.56
  4. Step 4: Simplify right side
    27,458.76x = 520,074,307.06
  5. Step 5: Solve for x
    x = 520,074,307.06/27,458.76
  6. Step 6: Final answer
    x = 18,940.20

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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.