Home / 26,444.85-39,639.43-8,670.89

Finding the Fourth Proportional to 26,444.85, 39,639.43 and 8,670.89

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Solution

The fourth proportional to 26,444.85, 39,639.43 and 8,670.89 is: 12,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,444.85 : 39,639.43 = 8,670.89 : x
  2. Step 2: Convert to fraction form
    26,444.85/39,639.43 = 8,670.89/x
  3. Step 3: Cross multiply
    26,444.85x = 39,639.43 × 8,670.89
  4. Step 4: Simplify right side
    26,444.85x = 343,708,919.64
  5. Step 5: Solve for x
    x = 343,708,919.64/26,444.85
  6. Step 6: Final answer
    x = 12,997.19

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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.