Home / 28,151.92-38,848.51-16,827.67

Finding the Fourth Proportional to 28,151.92, 38,848.51 and 16,827.67

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Solution

The fourth proportional to 28,151.92, 38,848.51 and 16,827.67 is: 23,221.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,151.92 : 38,848.51 = 16,827.67 : x
  2. Step 2: Convert to fraction form
    28,151.92/38,848.51 = 16,827.67/x
  3. Step 3: Cross multiply
    28,151.92x = 38,848.51 × 16,827.67
  4. Step 4: Simplify right side
    28,151.92x = 653,729,906.27
  5. Step 5: Solve for x
    x = 653,729,906.27/28,151.92
  6. Step 6: Final answer
    x = 23,221.50

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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.