Home / 20,600.08-30,900.06-17,818.48

Finding the Fourth Proportional to 20,600.08, 30,900.06 and 17,818.48

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Solution

The fourth proportional to 20,600.08, 30,900.06 and 17,818.48 is: 26,727.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600.08 : 30,900.06 = 17,818.48 : x
  2. Step 2: Convert to fraction form
    20,600.08/30,900.06 = 17,818.48/x
  3. Step 3: Cross multiply
    20,600.08x = 30,900.06 × 17,818.48
  4. Step 4: Simplify right side
    20,600.08x = 550,592,101.11
  5. Step 5: Solve for x
    x = 550,592,101.11/20,600.08
  6. Step 6: Final answer
    x = 26,727.67

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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.