Home / 28,714.62-39,626.64-17,383.98

Finding the Fourth Proportional to 28,714.62, 39,626.64 and 17,383.98

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Solution

The fourth proportional to 28,714.62, 39,626.64 and 17,383.98 is: 23,990.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.62 : 39,626.64 = 17,383.98 : x
  2. Step 2: Convert to fraction form
    28,714.62/39,626.64 = 17,383.98/x
  3. Step 3: Cross multiply
    28,714.62x = 39,626.64 × 17,383.98
  4. Step 4: Simplify right side
    28,714.62x = 688,868,717.23
  5. Step 5: Solve for x
    x = 688,868,717.23/28,714.62
  6. Step 6: Final answer
    x = 23,990.17

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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.