Home / 28,160.48-38,861.34-16,225.94

Finding the Fourth Proportional to 28,160.48, 38,861.34 and 16,225.94

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Solution

The fourth proportional to 28,160.48, 38,861.34 and 16,225.94 is: 22,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,160.48 : 38,861.34 = 16,225.94 : x
  2. Step 2: Convert to fraction form
    28,160.48/38,861.34 = 16,225.94/x
  3. Step 3: Cross multiply
    28,160.48x = 38,861.34 × 16,225.94
  4. Step 4: Simplify right side
    28,160.48x = 630,561,771.16
  5. Step 5: Solve for x
    x = 630,561,771.16/28,160.48
  6. Step 6: Final answer
    x = 22,391.73

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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.