Home / 28,536.04-42,812.68-8,546.18

Finding the Fourth Proportional to 28,536.04, 42,812.68 and 8,546.18

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Solution

The fourth proportional to 28,536.04, 42,812.68 and 8,546.18 is: 12,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,536.04 : 42,812.68 = 8,546.18 : x
  2. Step 2: Convert to fraction form
    28,536.04/42,812.68 = 8,546.18/x
  3. Step 3: Cross multiply
    28,536.04x = 42,812.68 × 8,546.18
  4. Step 4: Simplify right side
    28,536.04x = 365,884,869.56
  5. Step 5: Solve for x
    x = 365,884,869.56/28,536.04
  6. Step 6: Final answer
    x = 12,821.85

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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.