Home / 25,900.30-38,850.66-8,370.12

Finding the Fourth Proportional to 25,900.30, 38,850.66 and 8,370.12

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Solution

The fourth proportional to 25,900.30, 38,850.66 and 8,370.12 is: 12,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,900.30 : 38,850.66 = 8,370.12 : x
  2. Step 2: Convert to fraction form
    25,900.30/38,850.66 = 8,370.12/x
  3. Step 3: Cross multiply
    25,900.30x = 38,850.66 × 8,370.12
  4. Step 4: Simplify right side
    25,900.30x = 325,184,686.28
  5. Step 5: Solve for x
    x = 325,184,686.28/25,900.30
  6. Step 6: Final answer
    x = 12,555.25

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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.