Home / 25,340.40-38,014.20-8,697.60

Finding the Fourth Proportional to 25,340.40, 38,014.20 and 8,697.60

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Solution

The fourth proportional to 25,340.40, 38,014.20 and 8,697.60 is: 13,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.40 : 38,014.20 = 8,697.60 : x
  2. Step 2: Convert to fraction form
    25,340.40/38,014.20 = 8,697.60/x
  3. Step 3: Cross multiply
    25,340.40x = 38,014.20 × 8,697.60
  4. Step 4: Simplify right side
    25,340.40x = 330,632,305.92
  5. Step 5: Solve for x
    x = 330,632,305.92/25,340.40
  6. Step 6: Final answer
    x = 13,047.64

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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.