Home / 28,833.45-43,260.71-11,315.31

Finding the Fourth Proportional to 28,833.45, 43,260.71 and 11,315.31

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Solution

The fourth proportional to 28,833.45, 43,260.71 and 11,315.31 is: 16,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833.45 : 43,260.71 = 11,315.31 : x
  2. Step 2: Convert to fraction form
    28,833.45/43,260.71 = 11,315.31/x
  3. Step 3: Cross multiply
    28,833.45x = 43,260.71 × 11,315.31
  4. Step 4: Simplify right side
    28,833.45x = 489,508,287.89
  5. Step 5: Solve for x
    x = 489,508,287.89/28,833.45
  6. Step 6: Final answer
    x = 16,977.10

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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.