Home / 23,870.16-35,805.23-8,287.79

Finding the Fourth Proportional to 23,870.16, 35,805.23 and 8,287.79

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Solution

The fourth proportional to 23,870.16, 35,805.23 and 8,287.79 is: 12,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,870.16 : 35,805.23 = 8,287.79 : x
  2. Step 2: Convert to fraction form
    23,870.16/35,805.23 = 8,287.79/x
  3. Step 3: Cross multiply
    23,870.16x = 35,805.23 × 8,287.79
  4. Step 4: Simplify right side
    23,870.16x = 296,746,068.84
  5. Step 5: Solve for x
    x = 296,746,068.84/23,870.16
  6. Step 6: Final answer
    x = 12,431.67

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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.