Home / 26,727.36-40,064.64-12,886.08

Finding the Fourth Proportional to 26,727.36, 40,064.64 and 12,886.08

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Solution

The fourth proportional to 26,727.36, 40,064.64 and 12,886.08 is: 19,316.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,727.36 : 40,064.64 = 12,886.08 : x
  2. Step 2: Convert to fraction form
    26,727.36/40,064.64 = 12,886.08/x
  3. Step 3: Cross multiply
    26,727.36x = 40,064.64 × 12,886.08
  4. Step 4: Simplify right side
    26,727.36x = 516,276,156.21
  5. Step 5: Solve for x
    x = 516,276,156.21/26,727.36
  6. Step 6: Final answer
    x = 19,316.39

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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.