Home / 28,925.76-39,912.48-17,751.36

Finding the Fourth Proportional to 28,925.76, 39,912.48 and 17,751.36

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Solution

The fourth proportional to 28,925.76, 39,912.48 and 17,751.36 is: 24,493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.76 : 39,912.48 = 17,751.36 : x
  2. Step 2: Convert to fraction form
    28,925.76/39,912.48 = 17,751.36/x
  3. Step 3: Cross multiply
    28,925.76x = 39,912.48 × 17,751.36
  4. Step 4: Simplify right side
    28,925.76x = 708,500,800.97
  5. Step 5: Solve for x
    x = 708,500,800.97/28,925.76
  6. Step 6: Final answer
    x = 24,493.77

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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.