Home / 28,635.21-42,926.90-10,162.89

Finding the Fourth Proportional to 28,635.21, 42,926.90 and 10,162.89

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Solution

The fourth proportional to 28,635.21, 42,926.90 and 10,162.89 is: 15,235.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,635.21 : 42,926.90 = 10,162.89 : x
  2. Step 2: Convert to fraction form
    28,635.21/42,926.90 = 10,162.89/x
  3. Step 3: Cross multiply
    28,635.21x = 42,926.90 × 10,162.89
  4. Step 4: Simplify right side
    28,635.21x = 436,261,311.93
  5. Step 5: Solve for x
    x = 436,261,311.93/28,635.21
  6. Step 6: Final answer
    x = 15,235.14

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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.