Home / 27,885.88-38,475.93-15,955.81

Finding the Fourth Proportional to 27,885.88, 38,475.93 and 15,955.81

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Solution

The fourth proportional to 27,885.88, 38,475.93 and 15,955.81 is: 22,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.88 : 38,475.93 = 15,955.81 : x
  2. Step 2: Convert to fraction form
    27,885.88/38,475.93 = 15,955.81/x
  3. Step 3: Cross multiply
    27,885.88x = 38,475.93 × 15,955.81
  4. Step 4: Simplify right side
    27,885.88x = 613,914,628.65
  5. Step 5: Solve for x
    x = 613,914,628.65/27,885.88
  6. Step 6: Final answer
    x = 22,015.25

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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.