Home / 28,749.92-43,107.58-10,981.76

Finding the Fourth Proportional to 28,749.92, 43,107.58 and 10,981.76

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Solution

The fourth proportional to 28,749.92, 43,107.58 and 10,981.76 is: 16,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,749.92 : 43,107.58 = 10,981.76 : x
  2. Step 2: Convert to fraction form
    28,749.92/43,107.58 = 10,981.76/x
  3. Step 3: Cross multiply
    28,749.92x = 43,107.58 × 10,981.76
  4. Step 4: Simplify right side
    28,749.92x = 473,397,097.74
  5. Step 5: Solve for x
    x = 473,397,097.74/28,749.92
  6. Step 6: Final answer
    x = 16,466.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.