Home / 21,900.24-32,826.81-11,359.71

Finding the Fourth Proportional to 21,900.24, 32,826.81 and 11,359.71

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Solution

The fourth proportional to 21,900.24, 32,826.81 and 11,359.71 is: 17,027.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,900.24 : 32,826.81 = 11,359.71 : x
  2. Step 2: Convert to fraction form
    21,900.24/32,826.81 = 11,359.71/x
  3. Step 3: Cross multiply
    21,900.24x = 32,826.81 × 11,359.71
  4. Step 4: Simplify right side
    21,900.24x = 372,903,041.83
  5. Step 5: Solve for x
    x = 372,903,041.83/21,900.24
  6. Step 6: Final answer
    x = 17,027.35

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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.