Home / 26,127.36-36,037.68-21,808.32

Finding the Fourth Proportional to 26,127.36, 36,037.68 and 21,808.32

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Solution

The fourth proportional to 26,127.36, 36,037.68 and 21,808.32 is: 30,080.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,127.36 : 36,037.68 = 21,808.32 : x
  2. Step 2: Convert to fraction form
    26,127.36/36,037.68 = 21,808.32/x
  3. Step 3: Cross multiply
    26,127.36x = 36,037.68 × 21,808.32
  4. Step 4: Simplify right side
    26,127.36x = 785,921,257.50
  5. Step 5: Solve for x
    x = 785,921,257.50/26,127.36
  6. Step 6: Final answer
    x = 30,080.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.