Home / 23,500.76-32,431.46-12,890.36

Finding the Fourth Proportional to 23,500.76, 32,431.46 and 12,890.36

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Solution

The fourth proportional to 23,500.76, 32,431.46 and 12,890.36 is: 17,788.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,500.76 : 32,431.46 = 12,890.36 : x
  2. Step 2: Convert to fraction form
    23,500.76/32,431.46 = 12,890.36/x
  3. Step 3: Cross multiply
    23,500.76x = 32,431.46 × 12,890.36
  4. Step 4: Simplify right side
    23,500.76x = 418,053,211.35
  5. Step 5: Solve for x
    x = 418,053,211.35/23,500.76
  6. Step 6: Final answer
    x = 17,788.93

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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.