Home / 28,874.41-43,315.72-8,885.56

Finding the Fourth Proportional to 28,874.41, 43,315.72 and 8,885.56

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Solution

The fourth proportional to 28,874.41, 43,315.72 and 8,885.56 is: 13,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.41 : 43,315.72 = 8,885.56 : x
  2. Step 2: Convert to fraction form
    28,874.41/43,315.72 = 8,885.56/x
  3. Step 3: Cross multiply
    28,874.41x = 43,315.72 × 8,885.56
  4. Step 4: Simplify right side
    28,874.41x = 384,884,406.79
  5. Step 5: Solve for x
    x = 384,884,406.79/28,874.41
  6. Step 6: Final answer
    x = 13,329.60

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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.