Home / 20,001.03-27,585.68-18,659.67

Finding the Fourth Proportional to 20,001.03, 27,585.68 and 18,659.67

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Solution

The fourth proportional to 20,001.03, 27,585.68 and 18,659.67 is: 25,735.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.03 : 27,585.68 = 18,659.67 : x
  2. Step 2: Convert to fraction form
    20,001.03/27,585.68 = 18,659.67/x
  3. Step 3: Cross multiply
    20,001.03x = 27,585.68 × 18,659.67
  4. Step 4: Simplify right side
    20,001.03x = 514,739,592.23
  5. Step 5: Solve for x
    x = 514,739,592.23/20,001.03
  6. Step 6: Final answer
    x = 25,735.65

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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.