Home / 28,714.37-39,616.65-17,380.22

Finding the Fourth Proportional to 28,714.37, 39,616.65 and 17,380.22

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Solution

The fourth proportional to 28,714.37, 39,616.65 and 17,380.22 is: 23,979.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.37 : 39,616.65 = 17,380.22 : x
  2. Step 2: Convert to fraction form
    28,714.37/39,616.65 = 17,380.22/x
  3. Step 3: Cross multiply
    28,714.37x = 39,616.65 × 17,380.22
  4. Step 4: Simplify right side
    28,714.37x = 688,545,894.58
  5. Step 5: Solve for x
    x = 688,545,894.58/28,714.37
  6. Step 6: Final answer
    x = 23,979.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.