Home / 27,981.76-41,998.56-14,140.48

Finding the Fourth Proportional to 27,981.76, 41,998.56 and 14,140.48

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Solution

The fourth proportional to 27,981.76, 41,998.56 and 14,140.48 is: 21,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.76 : 41,998.56 = 14,140.48 : x
  2. Step 2: Convert to fraction form
    27,981.76/41,998.56 = 14,140.48/x
  3. Step 3: Cross multiply
    27,981.76x = 41,998.56 × 14,140.48
  4. Step 4: Simplify right side
    27,981.76x = 593,879,797.71
  5. Step 5: Solve for x
    x = 593,879,797.71/27,981.76
  6. Step 6: Final answer
    x = 21,223.82

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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.