Home / 27,823.49-38,396.29-15,076.72

Finding the Fourth Proportional to 27,823.49, 38,396.29 and 15,076.72

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Solution

The fourth proportional to 27,823.49, 38,396.29 and 15,076.72 is: 20,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,823.49 : 38,396.29 = 15,076.72 : x
  2. Step 2: Convert to fraction form
    27,823.49/38,396.29 = 15,076.72/x
  3. Step 3: Cross multiply
    27,823.49x = 38,396.29 × 15,076.72
  4. Step 4: Simplify right side
    27,823.49x = 578,890,113.37
  5. Step 5: Solve for x
    x = 578,890,113.37/27,823.49
  6. Step 6: Final answer
    x = 20,805.81

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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.