Home / 28,286.96-39,043.01-16,348.57

Finding the Fourth Proportional to 28,286.96, 39,043.01 and 16,348.57

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Solution

The fourth proportional to 28,286.96, 39,043.01 and 16,348.57 is: 22,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,286.96 : 39,043.01 = 16,348.57 : x
  2. Step 2: Convert to fraction form
    28,286.96/39,043.01 = 16,348.57/x
  3. Step 3: Cross multiply
    28,286.96x = 39,043.01 × 16,348.57
  4. Step 4: Simplify right side
    28,286.96x = 638,297,325.26
  5. Step 5: Solve for x
    x = 638,297,325.26/28,286.96
  6. Step 6: Final answer
    x = 22,565.08

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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.