Home / 28,154.34-38,861.64-16,225.62

Finding the Fourth Proportional to 28,154.34, 38,861.64 and 16,225.62

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Solution

The fourth proportional to 28,154.34, 38,861.64 and 16,225.62 is: 22,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.34 : 38,861.64 = 16,225.62 : x
  2. Step 2: Convert to fraction form
    28,154.34/38,861.64 = 16,225.62/x
  3. Step 3: Cross multiply
    28,154.34x = 38,861.64 × 16,225.62
  4. Step 4: Simplify right side
    28,154.34x = 630,554,203.22
  5. Step 5: Solve for x
    x = 630,554,203.22/28,154.34
  6. Step 6: Final answer
    x = 22,396.34

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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.