Home / 27,703.49-38,235.21-15,770.67

Finding the Fourth Proportional to 27,703.49, 38,235.21 and 15,770.67

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Solution

The fourth proportional to 27,703.49, 38,235.21 and 15,770.67 is: 21,766.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,703.49 : 38,235.21 = 15,770.67 : x
  2. Step 2: Convert to fraction form
    27,703.49/38,235.21 = 15,770.67/x
  3. Step 3: Cross multiply
    27,703.49x = 38,235.21 × 15,770.67
  4. Step 4: Simplify right side
    27,703.49x = 602,994,879.29
  5. Step 5: Solve for x
    x = 602,994,879.29/27,703.49
  6. Step 6: Final answer
    x = 21,766.03

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Double scale
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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.