Home / 23,289.42-32,139.75-12,679.26

Finding the Fourth Proportional to 23,289.42, 32,139.75 and 12,679.26

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Solution

The fourth proportional to 23,289.42, 32,139.75 and 12,679.26 is: 17,497.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.42 : 32,139.75 = 12,679.26 : x
  2. Step 2: Convert to fraction form
    23,289.42/32,139.75 = 12,679.26/x
  3. Step 3: Cross multiply
    23,289.42x = 32,139.75 × 12,679.26
  4. Step 4: Simplify right side
    23,289.42x = 407,508,246.59
  5. Step 5: Solve for x
    x = 407,508,246.59/23,289.42
  6. Step 6: Final answer
    x = 17,497.57

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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.