Home / 28,966.08-43,399.32-15,827.64

Finding the Fourth Proportional to 28,966.08, 43,399.32 and 15,827.64

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Solution

The fourth proportional to 28,966.08, 43,399.32 and 15,827.64 is: 23,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.08 : 43,399.32 = 15,827.64 : x
  2. Step 2: Convert to fraction form
    28,966.08/43,399.32 = 15,827.64/x
  3. Step 3: Cross multiply
    28,966.08x = 43,399.32 × 15,827.64
  4. Step 4: Simplify right side
    28,966.08x = 686,908,813.20
  5. Step 5: Solve for x
    x = 686,908,813.20/28,966.08
  6. Step 6: Final answer
    x = 23,714.25

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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.