Home / 28,911.20-43,366.80-26,448.80

Finding the Fourth Proportional to 28,911.20, 43,366.80 and 26,448.80

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Solution

The fourth proportional to 28,911.20, 43,366.80 and 26,448.80 is: 39,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,911.20 : 43,366.80 = 26,448.80 : x
  2. Step 2: Convert to fraction form
    28,911.20/43,366.80 = 26,448.80/x
  3. Step 3: Cross multiply
    28,911.20x = 43,366.80 × 26,448.80
  4. Step 4: Simplify right side
    28,911.20x = 1,146,999,819.84
  5. Step 5: Solve for x
    x = 1,146,999,819.84/28,911.20
  6. Step 6: Final answer
    x = 39,673.20

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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.