Home / 27,012.03-37,278.48-15,077.70

Finding the Fourth Proportional to 27,012.03, 37,278.48 and 15,077.70

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Solution

The fourth proportional to 27,012.03, 37,278.48 and 15,077.70 is: 20,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,012.03 : 37,278.48 = 15,077.70 : x
  2. Step 2: Convert to fraction form
    27,012.03/37,278.48 = 15,077.70/x
  3. Step 3: Cross multiply
    27,012.03x = 37,278.48 × 15,077.70
  4. Step 4: Simplify right side
    27,012.03x = 562,073,737.90
  5. Step 5: Solve for x
    x = 562,073,737.90/27,012.03
  6. Step 6: Final answer
    x = 20,808.27

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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.