Home / 23,421.06-35,155.34-20,769.67

Finding the Fourth Proportional to 23,421.06, 35,155.34 and 20,769.67

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Solution

The fourth proportional to 23,421.06, 35,155.34 and 20,769.67 is: 31,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.06 : 35,155.34 = 20,769.67 : x
  2. Step 2: Convert to fraction form
    23,421.06/35,155.34 = 20,769.67/x
  3. Step 3: Cross multiply
    23,421.06x = 35,155.34 × 20,769.67
  4. Step 4: Simplify right side
    23,421.06x = 730,164,689.19
  5. Step 5: Solve for x
    x = 730,164,689.19/23,421.06
  6. Step 6: Final answer
    x = 31,175.56

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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.