Home / 28,818.16-43,227.24-14,938

Finding the Fourth Proportional to 28,818.16, 43,227.24 and 14,938

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Solution

The fourth proportional to 28,818.16, 43,227.24 and 14,938 is: 22,407

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.16 : 43,227.24 = 14,938 : x
  2. Step 2: Convert to fraction form
    28,818.16/43,227.24 = 14,938/x
  3. Step 3: Cross multiply
    28,818.16x = 43,227.24 × 14,938
  4. Step 4: Simplify right side
    28,818.16x = 645,728,511.12
  5. Step 5: Solve for x
    x = 645,728,511.12/28,818.16
  6. Step 6: Final answer
    x = 22,407

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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.