Home / 27,425.61-37,847.97-15,488.28

Finding the Fourth Proportional to 27,425.61, 37,847.97 and 15,488.28

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Solution

The fourth proportional to 27,425.61, 37,847.97 and 15,488.28 is: 21,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,425.61 : 37,847.97 = 15,488.28 : x
  2. Step 2: Convert to fraction form
    27,425.61/37,847.97 = 15,488.28/x
  3. Step 3: Cross multiply
    27,425.61x = 37,847.97 × 15,488.28
  4. Step 4: Simplify right side
    27,425.61x = 586,199,956.79
  5. Step 5: Solve for x
    x = 586,199,956.79/27,425.61
  6. Step 6: Final answer
    x = 21,374.18

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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.