Home / 27,078.58-37,368.56-15,141.92

Finding the Fourth Proportional to 27,078.58, 37,368.56 and 15,141.92

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Solution

The fourth proportional to 27,078.58, 37,368.56 and 15,141.92 is: 20,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,078.58 : 37,368.56 = 15,141.92 : x
  2. Step 2: Convert to fraction form
    27,078.58/37,368.56 = 15,141.92/x
  3. Step 3: Cross multiply
    27,078.58x = 37,368.56 × 15,141.92
  4. Step 4: Simplify right side
    27,078.58x = 565,831,680.40
  5. Step 5: Solve for x
    x = 565,831,680.40/27,078.58
  6. Step 6: Final answer
    x = 20,895.92

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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.