Home / 28,733.08-43,099.19-12,926.95

Finding the Fourth Proportional to 28,733.08, 43,099.19 and 12,926.95

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Solution

The fourth proportional to 28,733.08, 43,099.19 and 12,926.95 is: 19,390.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.08 : 43,099.19 = 12,926.95 : x
  2. Step 2: Convert to fraction form
    28,733.08/43,099.19 = 12,926.95/x
  3. Step 3: Cross multiply
    28,733.08x = 43,099.19 × 12,926.95
  4. Step 4: Simplify right side
    28,733.08x = 557,141,001.78
  5. Step 5: Solve for x
    x = 557,141,001.78/28,733.08
  6. Step 6: Final answer
    x = 19,390.23

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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.