Home / 28,676.35-43,000.55-12,031.86

Finding the Fourth Proportional to 28,676.35, 43,000.55 and 12,031.86

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Solution

The fourth proportional to 28,676.35, 43,000.55 and 12,031.86 is: 18,041.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.35 : 43,000.55 = 12,031.86 : x
  2. Step 2: Convert to fraction form
    28,676.35/43,000.55 = 12,031.86/x
  3. Step 3: Cross multiply
    28,676.35x = 43,000.55 × 12,031.86
  4. Step 4: Simplify right side
    28,676.35x = 517,376,597.52
  5. Step 5: Solve for x
    x = 517,376,597.52/28,676.35
  6. Step 6: Final answer
    x = 18,041.93

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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.