Home / 27,766.46-38,317.60-15,019.64

Finding the Fourth Proportional to 27,766.46, 38,317.60 and 15,019.64

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Solution

The fourth proportional to 27,766.46, 38,317.60 and 15,019.64 is: 20,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,766.46 : 38,317.60 = 15,019.64 : x
  2. Step 2: Convert to fraction form
    27,766.46/38,317.60 = 15,019.64/x
  3. Step 3: Cross multiply
    27,766.46x = 38,317.60 × 15,019.64
  4. Step 4: Simplify right side
    27,766.46x = 575,516,557.66
  5. Step 5: Solve for x
    x = 575,516,557.66/27,766.46
  6. Step 6: Final answer
    x = 20,727.04

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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.