Home / 27,372.54-37,795.49-21,421.17

Finding the Fourth Proportional to 27,372.54, 37,795.49 and 21,421.17

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Solution

The fourth proportional to 27,372.54, 37,795.49 and 21,421.17 is: 29,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,372.54 : 37,795.49 = 21,421.17 : x
  2. Step 2: Convert to fraction form
    27,372.54/37,795.49 = 21,421.17/x
  3. Step 3: Cross multiply
    27,372.54x = 37,795.49 × 21,421.17
  4. Step 4: Simplify right side
    27,372.54x = 809,623,509.42
  5. Step 5: Solve for x
    x = 809,623,509.42/27,372.54
  6. Step 6: Final answer
    x = 29,577.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.