Home / 25,895.20-38,853.60-8,370.40

Finding the Fourth Proportional to 25,895.20, 38,853.60 and 8,370.40

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Solution

The fourth proportional to 25,895.20, 38,853.60 and 8,370.40 is: 12,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,895.20 : 38,853.60 = 8,370.40 : x
  2. Step 2: Convert to fraction form
    25,895.20/38,853.60 = 8,370.40/x
  3. Step 3: Cross multiply
    25,895.20x = 38,853.60 × 8,370.40
  4. Step 4: Simplify right side
    25,895.20x = 325,220,173.44
  5. Step 5: Solve for x
    x = 325,220,173.44/25,895.20
  6. Step 6: Final answer
    x = 12,559.09

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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.