Home / 28,977.88-43,458.30-12,337.72

Finding the Fourth Proportional to 28,977.88, 43,458.30 and 12,337.72

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Solution

The fourth proportional to 28,977.88, 43,458.30 and 12,337.72 is: 18,502.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.88 : 43,458.30 = 12,337.72 : x
  2. Step 2: Convert to fraction form
    28,977.88/43,458.30 = 12,337.72/x
  3. Step 3: Cross multiply
    28,977.88x = 43,458.30 × 12,337.72
  4. Step 4: Simplify right side
    28,977.88x = 536,176,337.08
  5. Step 5: Solve for x
    x = 536,176,337.08/28,977.88
  6. Step 6: Final answer
    x = 18,502.95

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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.