Home / 23,002.47-31,739.85-12,929.04

Finding the Fourth Proportional to 23,002.47, 31,739.85 and 12,929.04

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Solution

The fourth proportional to 23,002.47, 31,739.85 and 12,929.04 is: 17,840.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,002.47 : 31,739.85 = 12,929.04 : x
  2. Step 2: Convert to fraction form
    23,002.47/31,739.85 = 12,929.04/x
  3. Step 3: Cross multiply
    23,002.47x = 31,739.85 × 12,929.04
  4. Step 4: Simplify right side
    23,002.47x = 410,365,790.24
  5. Step 5: Solve for x
    x = 410,365,790.24/23,002.47
  6. Step 6: Final answer
    x = 17,840.08

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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.