Home / 27,589.53-38,070.92-15,487.25

Finding the Fourth Proportional to 27,589.53, 38,070.92 and 15,487.25

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Solution

The fourth proportional to 27,589.53, 38,070.92 and 15,487.25 is: 21,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,589.53 : 38,070.92 = 15,487.25 : x
  2. Step 2: Convert to fraction form
    27,589.53/38,070.92 = 15,487.25/x
  3. Step 3: Cross multiply
    27,589.53x = 38,070.92 × 15,487.25
  4. Step 4: Simplify right side
    27,589.53x = 589,613,704.13
  5. Step 5: Solve for x
    x = 589,613,704.13/27,589.53
  6. Step 6: Final answer
    x = 21,370.92

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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.