Home / 23,289.58-32,140.29-12,679.39

Finding the Fourth Proportional to 23,289.58, 32,140.29 and 12,679.39

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Solution

The fourth proportional to 23,289.58, 32,140.29 and 12,679.39 is: 17,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.58 : 32,140.29 = 12,679.39 : x
  2. Step 2: Convert to fraction form
    23,289.58/32,140.29 = 12,679.39/x
  3. Step 3: Cross multiply
    23,289.58x = 32,140.29 × 12,679.39
  4. Step 4: Simplify right side
    23,289.58x = 407,519,271.62
  5. Step 5: Solve for x
    x = 407,519,271.62/23,289.58
  6. Step 6: Final answer
    x = 17,497.92

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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.