Home / 26,004.08-39,005.40-8,469.20

Finding the Fourth Proportional to 26,004.08, 39,005.40 and 8,469.20

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Solution

The fourth proportional to 26,004.08, 39,005.40 and 8,469.20 is: 12,703.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,004.08 : 39,005.40 = 8,469.20 : x
  2. Step 2: Convert to fraction form
    26,004.08/39,005.40 = 8,469.20/x
  3. Step 3: Cross multiply
    26,004.08x = 39,005.40 × 8,469.20
  4. Step 4: Simplify right side
    26,004.08x = 330,344,533.68
  5. Step 5: Solve for x
    x = 330,344,533.68/26,004.08
  6. Step 6: Final answer
    x = 12,703.57

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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.