Home / 27,813.06-38,382.51-15,237.06

Finding the Fourth Proportional to 27,813.06, 38,382.51 and 15,237.06

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Solution

The fourth proportional to 27,813.06, 38,382.51 and 15,237.06 is: 21,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.06 : 38,382.51 = 15,237.06 : x
  2. Step 2: Convert to fraction form
    27,813.06/38,382.51 = 15,237.06/x
  3. Step 3: Cross multiply
    27,813.06x = 38,382.51 × 15,237.06
  4. Step 4: Simplify right side
    27,813.06x = 584,836,607.82
  5. Step 5: Solve for x
    x = 584,836,607.82/27,813.06
  6. Step 6: Final answer
    x = 21,027.41

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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.