Home / 23,289.62-32,139.74-12,679.31

Finding the Fourth Proportional to 23,289.62, 32,139.74 and 12,679.31

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Solution

The fourth proportional to 23,289.62, 32,139.74 and 12,679.31 is: 17,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,289.62 : 32,139.74 = 12,679.31 : x
  2. Step 2: Convert to fraction form
    23,289.62/32,139.74 = 12,679.31/x
  3. Step 3: Cross multiply
    23,289.62x = 32,139.74 × 12,679.31
  4. Step 4: Simplify right side
    23,289.62x = 407,509,838.83
  5. Step 5: Solve for x
    x = 407,509,838.83/23,289.62
  6. Step 6: Final answer
    x = 17,497.49

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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.