Home / 26,859.09-40,288.64-11,276.72

Finding the Fourth Proportional to 26,859.09, 40,288.64 and 11,276.72

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Solution

The fourth proportional to 26,859.09, 40,288.64 and 11,276.72 is: 16,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,859.09 : 40,288.64 = 11,276.72 : x
  2. Step 2: Convert to fraction form
    26,859.09/40,288.64 = 11,276.72/x
  3. Step 3: Cross multiply
    26,859.09x = 40,288.64 × 11,276.72
  4. Step 4: Simplify right side
    26,859.09x = 454,323,669.15
  5. Step 5: Solve for x
    x = 454,323,669.15/26,859.09
  6. Step 6: Final answer
    x = 16,915.08

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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.