Home / 27,915.36-38,522.52-15,977.94

Finding the Fourth Proportional to 27,915.36, 38,522.52 and 15,977.94

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Solution

The fourth proportional to 27,915.36, 38,522.52 and 15,977.94 is: 22,049.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.36 : 38,522.52 = 15,977.94 : x
  2. Step 2: Convert to fraction form
    27,915.36/38,522.52 = 15,977.94/x
  3. Step 3: Cross multiply
    27,915.36x = 38,522.52 × 15,977.94
  4. Step 4: Simplify right side
    27,915.36x = 615,510,513.21
  5. Step 5: Solve for x
    x = 615,510,513.21/27,915.36
  6. Step 6: Final answer
    x = 22,049.17

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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.