Home / 27,155.34-37,472.79-15,826.68

Finding the Fourth Proportional to 27,155.34, 37,472.79 and 15,826.68

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Solution

The fourth proportional to 27,155.34, 37,472.79 and 15,826.68 is: 21,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.34 : 37,472.79 = 15,826.68 : x
  2. Step 2: Convert to fraction form
    27,155.34/37,472.79 = 15,826.68/x
  3. Step 3: Cross multiply
    27,155.34x = 37,472.79 × 15,826.68
  4. Step 4: Simplify right side
    27,155.34x = 593,069,856.04
  5. Step 5: Solve for x
    x = 593,069,856.04/27,155.34
  6. Step 6: Final answer
    x = 21,839.90

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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.