Home / 19,078.04-28,617.06-8,682.50

Finding the Fourth Proportional to 19,078.04, 28,617.06 and 8,682.50

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Solution

The fourth proportional to 19,078.04, 28,617.06 and 8,682.50 is: 13,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.04 : 28,617.06 = 8,682.50 : x
  2. Step 2: Convert to fraction form
    19,078.04/28,617.06 = 8,682.50/x
  3. Step 3: Cross multiply
    19,078.04x = 28,617.06 × 8,682.50
  4. Step 4: Simplify right side
    19,078.04x = 248,467,623.45
  5. Step 5: Solve for x
    x = 248,467,623.45/19,078.04
  6. Step 6: Final answer
    x = 13,023.75

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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.