Home / 27,422.20-37,842.15-15,484.69

Finding the Fourth Proportional to 27,422.20, 37,842.15 and 15,484.69

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Solution

The fourth proportional to 27,422.20, 37,842.15 and 15,484.69 is: 21,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,422.20 : 37,842.15 = 15,484.69 : x
  2. Step 2: Convert to fraction form
    27,422.20/37,842.15 = 15,484.69/x
  3. Step 3: Cross multiply
    27,422.20x = 37,842.15 × 15,484.69
  4. Step 4: Simplify right side
    27,422.20x = 585,973,961.68
  5. Step 5: Solve for x
    x = 585,973,961.68/27,422.20
  6. Step 6: Final answer
    x = 21,368.60

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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.