Home / 25,927.46-38,899.36-8,157.40

Finding the Fourth Proportional to 25,927.46, 38,899.36 and 8,157.40

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Solution

The fourth proportional to 25,927.46, 38,899.36 and 8,157.40 is: 12,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,927.46 : 38,899.36 = 8,157.40 : x
  2. Step 2: Convert to fraction form
    25,927.46/38,899.36 = 8,157.40/x
  3. Step 3: Cross multiply
    25,927.46x = 38,899.36 × 8,157.40
  4. Step 4: Simplify right side
    25,927.46x = 317,317,639.26
  5. Step 5: Solve for x
    x = 317,317,639.26/25,927.46
  6. Step 6: Final answer
    x = 12,238.67

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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.