Home / 20,622.08-30,955.01-18,265.46

Finding the Fourth Proportional to 20,622.08, 30,955.01 and 18,265.46

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Solution

The fourth proportional to 20,622.08, 30,955.01 and 18,265.46 is: 27,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,622.08 : 30,955.01 = 18,265.46 : x
  2. Step 2: Convert to fraction form
    20,622.08/30,955.01 = 18,265.46/x
  3. Step 3: Cross multiply
    20,622.08x = 30,955.01 × 18,265.46
  4. Step 4: Simplify right side
    20,622.08x = 565,407,250.85
  5. Step 5: Solve for x
    x = 565,407,250.85/20,622.08
  6. Step 6: Final answer
    x = 27,417.57

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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.