Home / 28,868-43,303.26-9,148.02

Finding the Fourth Proportional to 28,868, 43,303.26 and 9,148.02

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Solution

The fourth proportional to 28,868, 43,303.26 and 9,148.02 is: 13,722.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868 : 43,303.26 = 9,148.02 : x
  2. Step 2: Convert to fraction form
    28,868/43,303.26 = 9,148.02/x
  3. Step 3: Cross multiply
    28,868x = 43,303.26 × 9,148.02
  4. Step 4: Simplify right side
    28,868x = 396,139,088.55
  5. Step 5: Solve for x
    x = 396,139,088.55/28,868
  6. Step 6: Final answer
    x = 13,722.43

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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.