Home / 23,035.50-31,790.58-12,964.89

Finding the Fourth Proportional to 23,035.50, 31,790.58 and 12,964.89

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Solution

The fourth proportional to 23,035.50, 31,790.58 and 12,964.89 is: 17,892.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,035.50 : 31,790.58 = 12,964.89 : x
  2. Step 2: Convert to fraction form
    23,035.50/31,790.58 = 12,964.89/x
  3. Step 3: Cross multiply
    23,035.50x = 31,790.58 × 12,964.89
  4. Step 4: Simplify right side
    23,035.50x = 412,161,372.74
  5. Step 5: Solve for x
    x = 412,161,372.74/23,035.50
  6. Step 6: Final answer
    x = 17,892.44

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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.