Home / 18,615.42-27,896.40-14,435.82

Finding the Fourth Proportional to 18,615.42, 27,896.40 and 14,435.82

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Solution

The fourth proportional to 18,615.42, 27,896.40 and 14,435.82 is: 21,633.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615.42 : 27,896.40 = 14,435.82 : x
  2. Step 2: Convert to fraction form
    18,615.42/27,896.40 = 14,435.82/x
  3. Step 3: Cross multiply
    18,615.42x = 27,896.40 × 14,435.82
  4. Step 4: Simplify right side
    18,615.42x = 402,707,409.05
  5. Step 5: Solve for x
    x = 402,707,409.05/18,615.42
  6. Step 6: Final answer
    x = 21,633.00

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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.