Home / 28,677.38-39,557.62-18,048.56

Finding the Fourth Proportional to 28,677.38, 39,557.62 and 18,048.56

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Solution

The fourth proportional to 28,677.38, 39,557.62 and 18,048.56 is: 24,896.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.38 : 39,557.62 = 18,048.56 : x
  2. Step 2: Convert to fraction form
    28,677.38/39,557.62 = 18,048.56/x
  3. Step 3: Cross multiply
    28,677.38x = 39,557.62 × 18,048.56
  4. Step 4: Simplify right side
    28,677.38x = 713,957,835.12
  5. Step 5: Solve for x
    x = 713,957,835.12/28,677.38
  6. Step 6: Final answer
    x = 24,896.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.