Home / 19,152.32-28,707.24-8,055.72

Finding the Fourth Proportional to 19,152.32, 28,707.24 and 8,055.72

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Solution

The fourth proportional to 19,152.32, 28,707.24 and 8,055.72 is: 12,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.32 : 28,707.24 = 8,055.72 : x
  2. Step 2: Convert to fraction form
    19,152.32/28,707.24 = 8,055.72/x
  3. Step 3: Cross multiply
    19,152.32x = 28,707.24 × 8,055.72
  4. Step 4: Simplify right side
    19,152.32x = 231,257,487.41
  5. Step 5: Solve for x
    x = 231,257,487.41/19,152.32
  6. Step 6: Final answer
    x = 12,074.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.