Home / 19,701.62-27,188.22-12,628.03

Finding the Fourth Proportional to 19,701.62, 27,188.22 and 12,628.03

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Solution

The fourth proportional to 19,701.62, 27,188.22 and 12,628.03 is: 17,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.62 : 27,188.22 = 12,628.03 : x
  2. Step 2: Convert to fraction form
    19,701.62/27,188.22 = 12,628.03/x
  3. Step 3: Cross multiply
    19,701.62x = 27,188.22 × 12,628.03
  4. Step 4: Simplify right side
    19,701.62x = 343,333,594.67
  5. Step 5: Solve for x
    x = 343,333,594.67/19,701.62
  6. Step 6: Final answer
    x = 17,426.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.