Home / 28,956.34-39,956.44-16,207.75

Finding the Fourth Proportional to 28,956.34, 39,956.44 and 16,207.75

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Solution

The fourth proportional to 28,956.34, 39,956.44 and 16,207.75 is: 22,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956.34 : 39,956.44 = 16,207.75 : x
  2. Step 2: Convert to fraction form
    28,956.34/39,956.44 = 16,207.75/x
  3. Step 3: Cross multiply
    28,956.34x = 39,956.44 × 16,207.75
  4. Step 4: Simplify right side
    28,956.34x = 647,603,805.47
  5. Step 5: Solve for x
    x = 647,603,805.47/28,956.34
  6. Step 6: Final answer
    x = 22,364.84

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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.