Home / 27,511.85-37,967.27-15,412.86

Finding the Fourth Proportional to 27,511.85, 37,967.27 and 15,412.86

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Solution

The fourth proportional to 27,511.85, 37,967.27 and 15,412.86 is: 21,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,511.85 : 37,967.27 = 15,412.86 : x
  2. Step 2: Convert to fraction form
    27,511.85/37,967.27 = 15,412.86/x
  3. Step 3: Cross multiply
    27,511.85x = 37,967.27 × 15,412.86
  4. Step 4: Simplify right side
    27,511.85x = 585,184,065.79
  5. Step 5: Solve for x
    x = 585,184,065.79/27,511.85
  6. Step 6: Final answer
    x = 21,270.26

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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.