Home / 23,392.20-32,279.86-12,779.72

Finding the Fourth Proportional to 23,392.20, 32,279.86 and 12,779.72

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Solution

The fourth proportional to 23,392.20, 32,279.86 and 12,779.72 is: 17,635.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,392.20 : 32,279.86 = 12,779.72 : x
  2. Step 2: Convert to fraction form
    23,392.20/32,279.86 = 12,779.72/x
  3. Step 3: Cross multiply
    23,392.20x = 32,279.86 × 12,779.72
  4. Step 4: Simplify right side
    23,392.20x = 412,527,572.44
  5. Step 5: Solve for x
    x = 412,527,572.44/23,392.20
  6. Step 6: Final answer
    x = 17,635.26

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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.