Home / 28,237.91-38,957.24-19,737.77

Finding the Fourth Proportional to 28,237.91, 38,957.24 and 19,737.77

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Solution

The fourth proportional to 28,237.91, 38,957.24 and 19,737.77 is: 27,230.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.91 : 38,957.24 = 19,737.77 : x
  2. Step 2: Convert to fraction form
    28,237.91/38,957.24 = 19,737.77/x
  3. Step 3: Cross multiply
    28,237.91x = 38,957.24 × 19,737.77
  4. Step 4: Simplify right side
    28,237.91x = 768,928,944.27
  5. Step 5: Solve for x
    x = 768,928,944.27/28,237.91
  6. Step 6: Final answer
    x = 27,230.38

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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.