Home / 27,928.17-38,541.08-15,181.36

Finding the Fourth Proportional to 27,928.17, 38,541.08 and 15,181.36

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Solution

The fourth proportional to 27,928.17, 38,541.08 and 15,181.36 is: 20,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,928.17 : 38,541.08 = 15,181.36 : x
  2. Step 2: Convert to fraction form
    27,928.17/38,541.08 = 15,181.36/x
  3. Step 3: Cross multiply
    27,928.17x = 38,541.08 × 15,181.36
  4. Step 4: Simplify right side
    27,928.17x = 585,106,011.00
  5. Step 5: Solve for x
    x = 585,106,011.00/27,928.17
  6. Step 6: Final answer
    x = 20,950.39

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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.