Home / 23,146.20-31,917.85-19,800.09

Finding the Fourth Proportional to 23,146.20, 31,917.85 and 19,800.09

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Solution

The fourth proportional to 23,146.20, 31,917.85 and 19,800.09 is: 27,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,146.20 : 31,917.85 = 19,800.09 : x
  2. Step 2: Convert to fraction form
    23,146.20/31,917.85 = 19,800.09/x
  3. Step 3: Cross multiply
    23,146.20x = 31,917.85 × 19,800.09
  4. Step 4: Simplify right side
    23,146.20x = 631,976,302.61
  5. Step 5: Solve for x
    x = 631,976,302.61/23,146.20
  6. Step 6: Final answer
    x = 27,303.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.