Home / 23,289.87-32,140.60-12,680.09

Finding the Fourth Proportional to 23,289.87, 32,140.60 and 12,680.09

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Solution

The fourth proportional to 23,289.87, 32,140.60 and 12,680.09 is: 17,498.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.87 : 32,140.60 = 12,680.09 : x
  2. Step 2: Convert to fraction form
    23,289.87/32,140.60 = 12,680.09/x
  3. Step 3: Cross multiply
    23,289.87x = 32,140.60 × 12,680.09
  4. Step 4: Simplify right side
    23,289.87x = 407,545,580.13
  5. Step 5: Solve for x
    x = 407,545,580.13/23,289.87
  6. Step 6: Final answer
    x = 17,498.83

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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.