Home / 20,098.89-27,716.74-18,509.67

Finding the Fourth Proportional to 20,098.89, 27,716.74 and 18,509.67

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Solution

The fourth proportional to 20,098.89, 27,716.74 and 18,509.67 is: 25,525.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.89 : 27,716.74 = 18,509.67 : x
  2. Step 2: Convert to fraction form
    20,098.89/27,716.74 = 18,509.67/x
  3. Step 3: Cross multiply
    20,098.89x = 27,716.74 × 18,509.67
  4. Step 4: Simplify right side
    20,098.89x = 513,027,664.60
  5. Step 5: Solve for x
    x = 513,027,664.60/20,098.89
  6. Step 6: Final answer
    x = 25,525.17

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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.