Home / 28,953.88-43,438.13-8,177.38

Finding the Fourth Proportional to 28,953.88, 43,438.13 and 8,177.38

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Solution

The fourth proportional to 28,953.88, 43,438.13 and 8,177.38 is: 12,268.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953.88 : 43,438.13 = 8,177.38 : x
  2. Step 2: Convert to fraction form
    28,953.88/43,438.13 = 8,177.38/x
  3. Step 3: Cross multiply
    28,953.88x = 43,438.13 × 8,177.38
  4. Step 4: Simplify right side
    28,953.88x = 355,210,095.50
  5. Step 5: Solve for x
    x = 355,210,095.50/28,953.88
  6. Step 6: Final answer
    x = 12,268.13

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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.