Home / 28,981.70-43,469.76-9,256.76

Finding the Fourth Proportional to 28,981.70, 43,469.76 and 9,256.76

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Solution

The fourth proportional to 28,981.70, 43,469.76 and 9,256.76 is: 13,884.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.70 : 43,469.76 = 9,256.76 : x
  2. Step 2: Convert to fraction form
    28,981.70/43,469.76 = 9,256.76/x
  3. Step 3: Cross multiply
    28,981.70x = 43,469.76 × 9,256.76
  4. Step 4: Simplify right side
    28,981.70x = 402,389,135.58
  5. Step 5: Solve for x
    x = 402,389,135.58/28,981.70
  6. Step 6: Final answer
    x = 13,884.25

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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.