Home / 20,482.23-30,735.29-8,635.28

Finding the Fourth Proportional to 20,482.23, 30,735.29 and 8,635.28

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Solution

The fourth proportional to 20,482.23, 30,735.29 and 8,635.28 is: 12,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,482.23 : 30,735.29 = 8,635.28 : x
  2. Step 2: Convert to fraction form
    20,482.23/30,735.29 = 8,635.28/x
  3. Step 3: Cross multiply
    20,482.23x = 30,735.29 × 8,635.28
  4. Step 4: Simplify right side
    20,482.23x = 265,407,937.99
  5. Step 5: Solve for x
    x = 265,407,937.99/20,482.23
  6. Step 6: Final answer
    x = 12,957.96

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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.