Home / 27,970.12-41,930.22-10,440.76

Finding the Fourth Proportional to 27,970.12, 41,930.22 and 10,440.76

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Solution

The fourth proportional to 27,970.12, 41,930.22 and 10,440.76 is: 15,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,970.12 : 41,930.22 = 10,440.76 : x
  2. Step 2: Convert to fraction form
    27,970.12/41,930.22 = 10,440.76/x
  3. Step 3: Cross multiply
    27,970.12x = 41,930.22 × 10,440.76
  4. Step 4: Simplify right side
    27,970.12x = 437,783,363.77
  5. Step 5: Solve for x
    x = 437,783,363.77/27,970.12
  6. Step 6: Final answer
    x = 15,651.82

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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.