Home / 25,619.34-38,425.86-6,900.84

Finding the Fourth Proportional to 25,619.34, 38,425.86 and 6,900.84

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Solution

The fourth proportional to 25,619.34, 38,425.86 and 6,900.84 is: 10,350.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.34 : 38,425.86 = 6,900.84 : x
  2. Step 2: Convert to fraction form
    25,619.34/38,425.86 = 6,900.84/x
  3. Step 3: Cross multiply
    25,619.34x = 38,425.86 × 6,900.84
  4. Step 4: Simplify right side
    25,619.34x = 265,170,711.72
  5. Step 5: Solve for x
    x = 265,170,711.72/25,619.34
  6. Step 6: Final answer
    x = 10,350.41

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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.