Home / 27,371.77-37,776.39-15,434.86

Finding the Fourth Proportional to 27,371.77, 37,776.39 and 15,434.86

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Solution

The fourth proportional to 27,371.77, 37,776.39 and 15,434.86 is: 21,301.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,371.77 : 37,776.39 = 15,434.86 : x
  2. Step 2: Convert to fraction form
    27,371.77/37,776.39 = 15,434.86/x
  3. Step 3: Cross multiply
    27,371.77x = 37,776.39 × 15,434.86
  4. Step 4: Simplify right side
    27,371.77x = 583,073,290.96
  5. Step 5: Solve for x
    x = 583,073,290.96/27,371.77
  6. Step 6: Final answer
    x = 21,301.99

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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.