Home / 27,294.54-40,865.88-13,938.68

Finding the Fourth Proportional to 27,294.54, 40,865.88 and 13,938.68

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Solution

The fourth proportional to 27,294.54, 40,865.88 and 13,938.68 is: 20,869.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,294.54 : 40,865.88 = 13,938.68 : x
  2. Step 2: Convert to fraction form
    27,294.54/40,865.88 = 13,938.68/x
  3. Step 3: Cross multiply
    27,294.54x = 40,865.88 × 13,938.68
  4. Step 4: Simplify right side
    27,294.54x = 569,616,424.24
  5. Step 5: Solve for x
    x = 569,616,424.24/27,294.54
  6. Step 6: Final answer
    x = 20,869.24

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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.