Home / 28,966.43-43,466.08-15,639.25

Finding the Fourth Proportional to 28,966.43, 43,466.08 and 15,639.25

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Solution

The fourth proportional to 28,966.43, 43,466.08 and 15,639.25 is: 23,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.43 : 43,466.08 = 15,639.25 : x
  2. Step 2: Convert to fraction form
    28,966.43/43,466.08 = 15,639.25/x
  3. Step 3: Cross multiply
    28,966.43x = 43,466.08 × 15,639.25
  4. Step 4: Simplify right side
    28,966.43x = 679,776,831.85
  5. Step 5: Solve for x
    x = 679,776,831.85/28,966.43
  6. Step 6: Final answer
    x = 23,467.75

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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.