Home / 28,053.27-38,715.83-15,957.54

Finding the Fourth Proportional to 28,053.27, 38,715.83 and 15,957.54

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Solution

The fourth proportional to 28,053.27, 38,715.83 and 15,957.54 is: 22,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.27 : 38,715.83 = 15,957.54 : x
  2. Step 2: Convert to fraction form
    28,053.27/38,715.83 = 15,957.54/x
  3. Step 3: Cross multiply
    28,053.27x = 38,715.83 × 15,957.54
  4. Step 4: Simplify right side
    28,053.27x = 617,809,405.86
  5. Step 5: Solve for x
    x = 617,809,405.86/28,053.27
  6. Step 6: Final answer
    x = 22,022.72

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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.