Home / 19,270.08-28,893.12-8,868.48

Finding the Fourth Proportional to 19,270.08, 28,893.12 and 8,868.48

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Solution

The fourth proportional to 19,270.08, 28,893.12 and 8,868.48 is: 13,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.08 : 28,893.12 = 8,868.48 : x
  2. Step 2: Convert to fraction form
    19,270.08/28,893.12 = 8,868.48/x
  3. Step 3: Cross multiply
    19,270.08x = 28,893.12 × 8,868.48
  4. Step 4: Simplify right side
    19,270.08x = 256,238,056.86
  5. Step 5: Solve for x
    x = 256,238,056.86/19,270.08
  6. Step 6: Final answer
    x = 13,297.20

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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.