Home / 28,318.12-39,064.28-16,982.17

Finding the Fourth Proportional to 28,318.12, 39,064.28 and 16,982.17

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Solution

The fourth proportional to 28,318.12, 39,064.28 and 16,982.17 is: 23,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.12 : 39,064.28 = 16,982.17 : x
  2. Step 2: Convert to fraction form
    28,318.12/39,064.28 = 16,982.17/x
  3. Step 3: Cross multiply
    28,318.12x = 39,064.28 × 16,982.17
  4. Step 4: Simplify right side
    28,318.12x = 663,396,286.34
  5. Step 5: Solve for x
    x = 663,396,286.34/28,318.12
  6. Step 6: Final answer
    x = 23,426.57

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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.