Home / 20,265.02-30,362.60-18,210.62

Finding the Fourth Proportional to 20,265.02, 30,362.60 and 18,210.62

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Solution

The fourth proportional to 20,265.02, 30,362.60 and 18,210.62 is: 27,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265.02 : 30,362.60 = 18,210.62 : x
  2. Step 2: Convert to fraction form
    20,265.02/30,362.60 = 18,210.62/x
  3. Step 3: Cross multiply
    20,265.02x = 30,362.60 × 18,210.62
  4. Step 4: Simplify right side
    20,265.02x = 552,921,770.81
  5. Step 5: Solve for x
    x = 552,921,770.81/20,265.02
  6. Step 6: Final answer
    x = 27,284.54

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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.