Home / 26,896.32-40,328.64-11,309.76

Finding the Fourth Proportional to 26,896.32, 40,328.64 and 11,309.76

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Solution

The fourth proportional to 26,896.32, 40,328.64 and 11,309.76 is: 16,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,896.32 : 40,328.64 = 11,309.76 : x
  2. Step 2: Convert to fraction form
    26,896.32/40,328.64 = 11,309.76/x
  3. Step 3: Cross multiply
    26,896.32x = 40,328.64 × 11,309.76
  4. Step 4: Simplify right side
    26,896.32x = 456,107,239.53
  5. Step 5: Solve for x
    x = 456,107,239.53/26,896.32
  6. Step 6: Final answer
    x = 16,957.98

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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.