Home / 28,953.65-43,424.39-8,172.29

Finding the Fourth Proportional to 28,953.65, 43,424.39 and 8,172.29

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Solution

The fourth proportional to 28,953.65, 43,424.39 and 8,172.29 is: 12,256.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.65 : 43,424.39 = 8,172.29 : x
  2. Step 2: Convert to fraction form
    28,953.65/43,424.39 = 8,172.29/x
  3. Step 3: Cross multiply
    28,953.65x = 43,424.39 × 8,172.29
  4. Step 4: Simplify right side
    28,953.65x = 354,876,837.14
  5. Step 5: Solve for x
    x = 354,876,837.14/28,953.65
  6. Step 6: Final answer
    x = 12,256.72

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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.