Home / 26,485.79-39,728.61-8,967.92

Finding the Fourth Proportional to 26,485.79, 39,728.61 and 8,967.92

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Solution

The fourth proportional to 26,485.79, 39,728.61 and 8,967.92 is: 13,451.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,485.79 : 39,728.61 = 8,967.92 : x
  2. Step 2: Convert to fraction form
    26,485.79/39,728.61 = 8,967.92/x
  3. Step 3: Cross multiply
    26,485.79x = 39,728.61 × 8,967.92
  4. Step 4: Simplify right side
    26,485.79x = 356,282,797.55
  5. Step 5: Solve for x
    x = 356,282,797.55/26,485.79
  6. Step 6: Final answer
    x = 13,451.85

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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.