Home / 27,810.96-38,344.68-18,364.56

Finding the Fourth Proportional to 27,810.96, 38,344.68 and 18,364.56

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Solution

The fourth proportional to 27,810.96, 38,344.68 and 18,364.56 is: 25,320.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,810.96 : 38,344.68 = 18,364.56 : x
  2. Step 2: Convert to fraction form
    27,810.96/38,344.68 = 18,364.56/x
  3. Step 3: Cross multiply
    27,810.96x = 38,344.68 × 18,364.56
  4. Step 4: Simplify right side
    27,810.96x = 704,183,176.54
  5. Step 5: Solve for x
    x = 704,183,176.54/27,810.96
  6. Step 6: Final answer
    x = 25,320.35

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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.