Home / 23,539.91-32,485.29-12,929.78

Finding the Fourth Proportional to 23,539.91, 32,485.29 and 12,929.78

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Solution

The fourth proportional to 23,539.91, 32,485.29 and 12,929.78 is: 17,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,539.91 : 32,485.29 = 12,929.78 : x
  2. Step 2: Convert to fraction form
    23,539.91/32,485.29 = 12,929.78/x
  3. Step 3: Cross multiply
    23,539.91x = 32,485.29 × 12,929.78
  4. Step 4: Simplify right side
    23,539.91x = 420,027,652.94
  5. Step 5: Solve for x
    x = 420,027,652.94/23,539.91
  6. Step 6: Final answer
    x = 17,843.21

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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.