Home / 28,810.24-39,793.86-22,176.34

Finding the Fourth Proportional to 28,810.24, 39,793.86 and 22,176.34

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Solution

The fourth proportional to 28,810.24, 39,793.86 and 22,176.34 is: 30,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810.24 : 39,793.86 = 22,176.34 : x
  2. Step 2: Convert to fraction form
    28,810.24/39,793.86 = 22,176.34/x
  3. Step 3: Cross multiply
    28,810.24x = 39,793.86 × 22,176.34
  4. Step 4: Simplify right side
    28,810.24x = 882,482,069.79
  5. Step 5: Solve for x
    x = 882,482,069.79/28,810.24
  6. Step 6: Final answer
    x = 30,630.85

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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.