Home / 28,877.04-43,315.56-8,100.54

Finding the Fourth Proportional to 28,877.04, 43,315.56 and 8,100.54

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Solution

The fourth proportional to 28,877.04, 43,315.56 and 8,100.54 is: 12,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877.04 : 43,315.56 = 8,100.54 : x
  2. Step 2: Convert to fraction form
    28,877.04/43,315.56 = 8,100.54/x
  3. Step 3: Cross multiply
    28,877.04x = 43,315.56 × 8,100.54
  4. Step 4: Simplify right side
    28,877.04x = 350,879,426.40
  5. Step 5: Solve for x
    x = 350,879,426.40/28,877.04
  6. Step 6: Final answer
    x = 12,150.81

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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.