Home / 27,371.82-37,772.76-15,439.01

Finding the Fourth Proportional to 27,371.82, 37,772.76 and 15,439.01

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Solution

The fourth proportional to 27,371.82, 37,772.76 and 15,439.01 is: 21,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,371.82 : 37,772.76 = 15,439.01 : x
  2. Step 2: Convert to fraction form
    27,371.82/37,772.76 = 15,439.01/x
  3. Step 3: Cross multiply
    27,371.82x = 37,772.76 × 15,439.01
  4. Step 4: Simplify right side
    27,371.82x = 583,173,888.40
  5. Step 5: Solve for x
    x = 583,173,888.40/27,371.82
  6. Step 6: Final answer
    x = 21,305.63

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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.