Home / 25,869.42-38,803.34-7,150.59

Finding the Fourth Proportional to 25,869.42, 38,803.34 and 7,150.59

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Solution

The fourth proportional to 25,869.42, 38,803.34 and 7,150.59 is: 10,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,869.42 : 38,803.34 = 7,150.59 : x
  2. Step 2: Convert to fraction form
    25,869.42/38,803.34 = 7,150.59/x
  3. Step 3: Cross multiply
    25,869.42x = 38,803.34 × 7,150.59
  4. Step 4: Simplify right side
    25,869.42x = 277,466,739.22
  5. Step 5: Solve for x
    x = 277,466,739.22/25,869.42
  6. Step 6: Final answer
    x = 10,725.67

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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.