Home / 23,289.70-32,138.92-12,679.10

Finding the Fourth Proportional to 23,289.70, 32,138.92 and 12,679.10

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Solution

The fourth proportional to 23,289.70, 32,138.92 and 12,679.10 is: 17,496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.70 : 32,138.92 = 12,679.10 : x
  2. Step 2: Convert to fraction form
    23,289.70/32,138.92 = 12,679.10/x
  3. Step 3: Cross multiply
    23,289.70x = 32,138.92 × 12,679.10
  4. Step 4: Simplify right side
    23,289.70x = 407,492,580.57
  5. Step 5: Solve for x
    x = 407,492,580.57/23,289.70
  6. Step 6: Final answer
    x = 17,496.69

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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.