Home / 26,487.55-39,727.09-8,718.31

Finding the Fourth Proportional to 26,487.55, 39,727.09 and 8,718.31

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Solution

The fourth proportional to 26,487.55, 39,727.09 and 8,718.31 is: 13,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,487.55 : 39,727.09 = 8,718.31 : x
  2. Step 2: Convert to fraction form
    26,487.55/39,727.09 = 8,718.31/x
  3. Step 3: Cross multiply
    26,487.55x = 39,727.09 × 8,718.31
  4. Step 4: Simplify right side
    26,487.55x = 346,353,086.02
  5. Step 5: Solve for x
    x = 346,353,086.02/26,487.55
  6. Step 6: Final answer
    x = 13,076.07

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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.