Home / 28,022.96-42,032.82-10,265.60

Finding the Fourth Proportional to 28,022.96, 42,032.82 and 10,265.60

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Solution

The fourth proportional to 28,022.96, 42,032.82 and 10,265.60 is: 15,397.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022.96 : 42,032.82 = 10,265.60 : x
  2. Step 2: Convert to fraction form
    28,022.96/42,032.82 = 10,265.60/x
  3. Step 3: Cross multiply
    28,022.96x = 42,032.82 × 10,265.60
  4. Step 4: Simplify right side
    28,022.96x = 431,492,116.99
  5. Step 5: Solve for x
    x = 431,492,116.99/28,022.96
  6. Step 6: Final answer
    x = 15,397.81

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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.