Home / 25,861.60-38,828.40-16,559.20

Finding the Fourth Proportional to 25,861.60, 38,828.40 and 16,559.20

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Solution

The fourth proportional to 25,861.60, 38,828.40 and 16,559.20 is: 24,861.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861.60 : 38,828.40 = 16,559.20 : x
  2. Step 2: Convert to fraction form
    25,861.60/38,828.40 = 16,559.20/x
  3. Step 3: Cross multiply
    25,861.60x = 38,828.40 × 16,559.20
  4. Step 4: Simplify right side
    25,861.60x = 642,967,241.28
  5. Step 5: Solve for x
    x = 642,967,241.28/25,861.60
  6. Step 6: Final answer
    x = 24,861.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.