Home / 38,873.88-58,311.72-13,915.64

Finding the Fourth Proportional to 38,873.88, 58,311.72 and 13,915.64

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Solution

The fourth proportional to 38,873.88, 58,311.72 and 13,915.64 is: 20,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,873.88 : 58,311.72 = 13,915.64 : x
  2. Step 2: Convert to fraction form
    38,873.88/58,311.72 = 13,915.64/x
  3. Step 3: Cross multiply
    38,873.88x = 58,311.72 × 13,915.64
  4. Step 4: Simplify right side
    38,873.88x = 811,445,049.08
  5. Step 5: Solve for x
    x = 811,445,049.08/38,873.88
  6. Step 6: Final answer
    x = 20,873.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.