Home / 28,018.14-38,667.70-16,084.14

Finding the Fourth Proportional to 28,018.14, 38,667.70 and 16,084.14

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Solution

The fourth proportional to 28,018.14, 38,667.70 and 16,084.14 is: 22,197.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018.14 : 38,667.70 = 16,084.14 : x
  2. Step 2: Convert to fraction form
    28,018.14/38,667.70 = 16,084.14/x
  3. Step 3: Cross multiply
    28,018.14x = 38,667.70 × 16,084.14
  4. Step 4: Simplify right side
    28,018.14x = 621,936,700.28
  5. Step 5: Solve for x
    x = 621,936,700.28/28,018.14
  6. Step 6: Final answer
    x = 22,197.64

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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.