Home / 28,757.16-43,077.42-14,877

Finding the Fourth Proportional to 28,757.16, 43,077.42 and 14,877

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Solution

The fourth proportional to 28,757.16, 43,077.42 and 14,877 is: 22,285.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.16 : 43,077.42 = 14,877 : x
  2. Step 2: Convert to fraction form
    28,757.16/43,077.42 = 14,877/x
  3. Step 3: Cross multiply
    28,757.16x = 43,077.42 × 14,877
  4. Step 4: Simplify right side
    28,757.16x = 640,862,777.34
  5. Step 5: Solve for x
    x = 640,862,777.34/28,757.16
  6. Step 6: Final answer
    x = 22,285.33

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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.