Home / 27,139.48-37,431.42-18,184.12

Finding the Fourth Proportional to 27,139.48, 37,431.42 and 18,184.12

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Solution

The fourth proportional to 27,139.48, 37,431.42 and 18,184.12 is: 25,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,139.48 : 37,431.42 = 18,184.12 : x
  2. Step 2: Convert to fraction form
    27,139.48/37,431.42 = 18,184.12/x
  3. Step 3: Cross multiply
    27,139.48x = 37,431.42 × 18,184.12
  4. Step 4: Simplify right side
    27,139.48x = 680,657,433.05
  5. Step 5: Solve for x
    x = 680,657,433.05/27,139.48
  6. Step 6: Final answer
    x = 25,079.97

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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.