Home / 27,037.28-37,304.88-15,857.12

Finding the Fourth Proportional to 27,037.28, 37,304.88 and 15,857.12

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Solution

The fourth proportional to 27,037.28, 37,304.88 and 15,857.12 is: 21,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,037.28 : 37,304.88 = 15,857.12 : x
  2. Step 2: Convert to fraction form
    27,037.28/37,304.88 = 15,857.12/x
  3. Step 3: Cross multiply
    27,037.28x = 37,304.88 × 15,857.12
  4. Step 4: Simplify right side
    27,037.28x = 591,547,958.75
  5. Step 5: Solve for x
    x = 591,547,958.75/27,037.28
  6. Step 6: Final answer
    x = 21,878.97

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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.