Home / 28,926.21-43,389.27-8,149.71

Finding the Fourth Proportional to 28,926.21, 43,389.27 and 8,149.71

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Solution

The fourth proportional to 28,926.21, 43,389.27 and 8,149.71 is: 12,224.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.21 : 43,389.27 = 8,149.71 : x
  2. Step 2: Convert to fraction form
    28,926.21/43,389.27 = 8,149.71/x
  3. Step 3: Cross multiply
    28,926.21x = 43,389.27 × 8,149.71
  4. Step 4: Simplify right side
    28,926.21x = 353,609,967.61
  5. Step 5: Solve for x
    x = 353,609,967.61/28,926.21
  6. Step 6: Final answer
    x = 12,224.55

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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.