Home / 28,704.11-39,609.37-15,956.29

Finding the Fourth Proportional to 28,704.11, 39,609.37 and 15,956.29

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Solution

The fourth proportional to 28,704.11, 39,609.37 and 15,956.29 is: 22,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.11 : 39,609.37 = 15,956.29 : x
  2. Step 2: Convert to fraction form
    28,704.11/39,609.37 = 15,956.29/x
  3. Step 3: Cross multiply
    28,704.11x = 39,609.37 × 15,956.29
  4. Step 4: Simplify right side
    28,704.11x = 632,018,594.44
  5. Step 5: Solve for x
    x = 632,018,594.44/28,704.11
  6. Step 6: Final answer
    x = 22,018.40

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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.