Home / 28,231.42-42,340.29-9,506.62

Finding the Fourth Proportional to 28,231.42, 42,340.29 and 9,506.62

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Solution

The fourth proportional to 28,231.42, 42,340.29 and 9,506.62 is: 14,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231.42 : 42,340.29 = 9,506.62 : x
  2. Step 2: Convert to fraction form
    28,231.42/42,340.29 = 9,506.62/x
  3. Step 3: Cross multiply
    28,231.42x = 42,340.29 × 9,506.62
  4. Step 4: Simplify right side
    28,231.42x = 402,513,047.72
  5. Step 5: Solve for x
    x = 402,513,047.72/28,231.42
  6. Step 6: Final answer
    x = 14,257.63

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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.