Home / 23,289.69-32,138.91-12,679.11

Finding the Fourth Proportional to 23,289.69, 32,138.91 and 12,679.11

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Solution

The fourth proportional to 23,289.69, 32,138.91 and 12,679.11 is: 17,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.69 : 32,138.91 = 12,679.11 : x
  2. Step 2: Convert to fraction form
    23,289.69/32,138.91 = 12,679.11/x
  3. Step 3: Cross multiply
    23,289.69x = 32,138.91 × 12,679.11
  4. Step 4: Simplify right side
    23,289.69x = 407,492,775.17
  5. Step 5: Solve for x
    x = 407,492,775.17/23,289.69
  6. Step 6: Final answer
    x = 17,496.70

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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.