Home / 28,024.92-38,672.64-15,449.67

Finding the Fourth Proportional to 28,024.92, 38,672.64 and 15,449.67

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Solution

The fourth proportional to 28,024.92, 38,672.64 and 15,449.67 is: 21,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024.92 : 38,672.64 = 15,449.67 : x
  2. Step 2: Convert to fraction form
    28,024.92/38,672.64 = 15,449.67/x
  3. Step 3: Cross multiply
    28,024.92x = 38,672.64 × 15,449.67
  4. Step 4: Simplify right side
    28,024.92x = 597,479,526.03
  5. Step 5: Solve for x
    x = 597,479,526.03/28,024.92
  6. Step 6: Final answer
    x = 21,319.58

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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.