Home / 27,155.84-37,475.68-15,219.52

Finding the Fourth Proportional to 27,155.84, 37,475.68 and 15,219.52

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Solution

The fourth proportional to 27,155.84, 37,475.68 and 15,219.52 is: 21,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,155.84 : 37,475.68 = 15,219.52 : x
  2. Step 2: Convert to fraction form
    27,155.84/37,475.68 = 15,219.52/x
  3. Step 3: Cross multiply
    27,155.84x = 37,475.68 × 15,219.52
  4. Step 4: Simplify right side
    27,155.84x = 570,361,861.27
  5. Step 5: Solve for x
    x = 570,361,861.27/27,155.84
  6. Step 6: Final answer
    x = 21,003.29

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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.