Home / 27,335.62-37,722.94-15,402.80

Finding the Fourth Proportional to 27,335.62, 37,722.94 and 15,402.80

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Solution

The fourth proportional to 27,335.62, 37,722.94 and 15,402.80 is: 21,255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,335.62 : 37,722.94 = 15,402.80 : x
  2. Step 2: Convert to fraction form
    27,335.62/37,722.94 = 15,402.80/x
  3. Step 3: Cross multiply
    27,335.62x = 37,722.94 × 15,402.80
  4. Step 4: Simplify right side
    27,335.62x = 581,038,956.03
  5. Step 5: Solve for x
    x = 581,038,956.03/27,335.62
  6. Step 6: Final answer
    x = 21,255.75

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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.