Home / 28,929.14-43,364.16-16,422.75

Finding the Fourth Proportional to 28,929.14, 43,364.16 and 16,422.75

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Solution

The fourth proportional to 28,929.14, 43,364.16 and 16,422.75 is: 24,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.14 : 43,364.16 = 16,422.75 : x
  2. Step 2: Convert to fraction form
    28,929.14/43,364.16 = 16,422.75/x
  3. Step 3: Cross multiply
    28,929.14x = 43,364.16 × 16,422.75
  4. Step 4: Simplify right side
    28,929.14x = 712,158,758.64
  5. Step 5: Solve for x
    x = 712,158,758.64/28,929.14
  6. Step 6: Final answer
    x = 24,617.35

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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.