Home / 27,157.55-37,479.15-15,058.53

Finding the Fourth Proportional to 27,157.55, 37,479.15 and 15,058.53

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Solution

The fourth proportional to 27,157.55, 37,479.15 and 15,058.53 is: 20,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,157.55 : 37,479.15 = 15,058.53 : x
  2. Step 2: Convert to fraction form
    27,157.55/37,479.15 = 15,058.53/x
  3. Step 3: Cross multiply
    27,157.55x = 37,479.15 × 15,058.53
  4. Step 4: Simplify right side
    27,157.55x = 564,380,904.65
  5. Step 5: Solve for x
    x = 564,380,904.65/27,157.55
  6. Step 6: Final answer
    x = 20,781.74

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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.