Home / 28,158.42-42,251.96-17,626.64

Finding the Fourth Proportional to 28,158.42, 42,251.96 and 17,626.64

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Solution

The fourth proportional to 28,158.42, 42,251.96 and 17,626.64 is: 26,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,158.42 : 42,251.96 = 17,626.64 : x
  2. Step 2: Convert to fraction form
    28,158.42/42,251.96 = 17,626.64/x
  3. Step 3: Cross multiply
    28,158.42x = 42,251.96 × 17,626.64
  4. Step 4: Simplify right side
    28,158.42x = 744,759,788.82
  5. Step 5: Solve for x
    x = 744,759,788.82/28,158.42
  6. Step 6: Final answer
    x = 26,448.92

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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.