Home / 28,652.22-43,026.80-18,673.92

Finding the Fourth Proportional to 28,652.22, 43,026.80 and 18,673.92

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Solution

The fourth proportional to 28,652.22, 43,026.80 and 18,673.92 is: 28,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,652.22 : 43,026.80 = 18,673.92 : x
  2. Step 2: Convert to fraction form
    28,652.22/43,026.80 = 18,673.92/x
  3. Step 3: Cross multiply
    28,652.22x = 43,026.80 × 18,673.92
  4. Step 4: Simplify right side
    28,652.22x = 803,478,927.69
  5. Step 5: Solve for x
    x = 803,478,927.69/28,652.22
  6. Step 6: Final answer
    x = 28,042.47

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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.