Home / 23,289.60-32,140.38-12,679.92

Finding the Fourth Proportional to 23,289.60, 32,140.38 and 12,679.92

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Solution

The fourth proportional to 23,289.60, 32,140.38 and 12,679.92 is: 17,498.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.60 : 32,140.38 = 12,679.92 : x
  2. Step 2: Convert to fraction form
    23,289.60/32,140.38 = 12,679.92/x
  3. Step 3: Cross multiply
    23,289.60x = 32,140.38 × 12,679.92
  4. Step 4: Simplify right side
    23,289.60x = 407,537,447.17
  5. Step 5: Solve for x
    x = 407,537,447.17/23,289.60
  6. Step 6: Final answer
    x = 17,498.69

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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.