Home / 27,011.91-37,278.30-15,077.59

Finding the Fourth Proportional to 27,011.91, 37,278.30 and 15,077.59

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Solution

The fourth proportional to 27,011.91, 37,278.30 and 15,077.59 is: 20,808.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,011.91 : 37,278.30 = 15,077.59 : x
  2. Step 2: Convert to fraction form
    27,011.91/37,278.30 = 15,077.59/x
  3. Step 3: Cross multiply
    27,011.91x = 37,278.30 × 15,077.59
  4. Step 4: Simplify right side
    27,011.91x = 562,066,923.30
  5. Step 5: Solve for x
    x = 562,066,923.30/27,011.91
  6. Step 6: Final answer
    x = 20,808.11

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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.