Home / 27,936.06-38,551.76-15,360.81

Finding the Fourth Proportional to 27,936.06, 38,551.76 and 15,360.81

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Solution

The fourth proportional to 27,936.06, 38,551.76 and 15,360.81 is: 21,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936.06 : 38,551.76 = 15,360.81 : x
  2. Step 2: Convert to fraction form
    27,936.06/38,551.76 = 15,360.81/x
  3. Step 3: Cross multiply
    27,936.06x = 38,551.76 × 15,360.81
  4. Step 4: Simplify right side
    27,936.06x = 592,186,260.53
  5. Step 5: Solve for x
    x = 592,186,260.53/27,936.06
  6. Step 6: Final answer
    x = 21,197.92

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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.