Home / 17,659.72-26,477.28-8,889.85

Finding the Fourth Proportional to 17,659.72, 26,477.28 and 8,889.85

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Solution

The fourth proportional to 17,659.72, 26,477.28 and 8,889.85 is: 13,328.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,659.72 : 26,477.28 = 8,889.85 : x
  2. Step 2: Convert to fraction form
    17,659.72/26,477.28 = 8,889.85/x
  3. Step 3: Cross multiply
    17,659.72x = 26,477.28 × 8,889.85
  4. Step 4: Simplify right side
    17,659.72x = 235,379,080.70
  5. Step 5: Solve for x
    x = 235,379,080.70/17,659.72
  6. Step 6: Final answer
    x = 13,328.58

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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.