Home / 25,999.08-39,003.90-8,464.20

Finding the Fourth Proportional to 25,999.08, 39,003.90 and 8,464.20

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Solution

The fourth proportional to 25,999.08, 39,003.90 and 8,464.20 is: 12,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,999.08 : 39,003.90 = 8,464.20 : x
  2. Step 2: Convert to fraction form
    25,999.08/39,003.90 = 8,464.20/x
  3. Step 3: Cross multiply
    25,999.08x = 39,003.90 × 8,464.20
  4. Step 4: Simplify right side
    25,999.08x = 330,136,810.38
  5. Step 5: Solve for x
    x = 330,136,810.38/25,999.08
  6. Step 6: Final answer
    x = 12,698.02

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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.