Home / 28,014.40-38,663.76-16,081.48

Finding the Fourth Proportional to 28,014.40, 38,663.76 and 16,081.48

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Solution

The fourth proportional to 28,014.40, 38,663.76 and 16,081.48 is: 22,194.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014.40 : 38,663.76 = 16,081.48 : x
  2. Step 2: Convert to fraction form
    28,014.40/38,663.76 = 16,081.48/x
  3. Step 3: Cross multiply
    28,014.40x = 38,663.76 × 16,081.48
  4. Step 4: Simplify right side
    28,014.40x = 621,770,483.16
  5. Step 5: Solve for x
    x = 621,770,483.16/28,014.40
  6. Step 6: Final answer
    x = 22,194.67

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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.