Home / 27,334.56-37,720.98-15,397.68

Finding the Fourth Proportional to 27,334.56, 37,720.98 and 15,397.68

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Solution

The fourth proportional to 27,334.56, 37,720.98 and 15,397.68 is: 21,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,334.56 : 37,720.98 = 15,397.68 : x
  2. Step 2: Convert to fraction form
    27,334.56/37,720.98 = 15,397.68/x
  3. Step 3: Cross multiply
    27,334.56x = 37,720.98 × 15,397.68
  4. Step 4: Simplify right side
    27,334.56x = 580,815,579.33
  5. Step 5: Solve for x
    x = 580,815,579.33/27,334.56
  6. Step 6: Final answer
    x = 21,248.40

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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.