Home / 28,482.62-42,727.34-11,853.89

Finding the Fourth Proportional to 28,482.62, 42,727.34 and 11,853.89

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Solution

The fourth proportional to 28,482.62, 42,727.34 and 11,853.89 is: 17,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482.62 : 42,727.34 = 11,853.89 : x
  2. Step 2: Convert to fraction form
    28,482.62/42,727.34 = 11,853.89/x
  3. Step 3: Cross multiply
    28,482.62x = 42,727.34 × 11,853.89
  4. Step 4: Simplify right side
    28,482.62x = 506,484,915.45
  5. Step 5: Solve for x
    x = 506,484,915.45/28,482.62
  6. Step 6: Final answer
    x = 17,782.25

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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.