Home / 26,901.12-40,362.78-11,900.36

Finding the Fourth Proportional to 26,901.12, 40,362.78 and 11,900.36

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Solution

The fourth proportional to 26,901.12, 40,362.78 and 11,900.36 is: 17,855.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,901.12 : 40,362.78 = 11,900.36 : x
  2. Step 2: Convert to fraction form
    26,901.12/40,362.78 = 11,900.36/x
  3. Step 3: Cross multiply
    26,901.12x = 40,362.78 × 11,900.36
  4. Step 4: Simplify right side
    26,901.12x = 480,331,612.60
  5. Step 5: Solve for x
    x = 480,331,612.60/26,901.12
  6. Step 6: Final answer
    x = 17,855.45

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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.