Home / 25,604.91-38,383.94-21,681.41

Finding the Fourth Proportional to 25,604.91, 38,383.94 and 21,681.41

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Solution

The fourth proportional to 25,604.91, 38,383.94 and 21,681.41 is: 32,502.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,604.91 : 38,383.94 = 21,681.41 : x
  2. Step 2: Convert to fraction form
    25,604.91/38,383.94 = 21,681.41/x
  3. Step 3: Cross multiply
    25,604.91x = 38,383.94 × 21,681.41
  4. Step 4: Simplify right side
    25,604.91x = 832,217,802.84
  5. Step 5: Solve for x
    x = 832,217,802.84/25,604.91
  6. Step 6: Final answer
    x = 32,502.27

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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.