Home / 25,840.08-38,751.48-8,305.74

Finding the Fourth Proportional to 25,840.08, 38,751.48 and 8,305.74

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Solution

The fourth proportional to 25,840.08, 38,751.48 and 8,305.74 is: 12,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,840.08 : 38,751.48 = 8,305.74 : x
  2. Step 2: Convert to fraction form
    25,840.08/38,751.48 = 8,305.74/x
  3. Step 3: Cross multiply
    25,840.08x = 38,751.48 × 8,305.74
  4. Step 4: Simplify right side
    25,840.08x = 321,859,717.50
  5. Step 5: Solve for x
    x = 321,859,717.50/25,840.08
  6. Step 6: Final answer
    x = 12,455.83

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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.