Home / 23,339.64-32,208.31-12,728.64

Finding the Fourth Proportional to 23,339.64, 32,208.31 and 12,728.64

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Solution

The fourth proportional to 23,339.64, 32,208.31 and 12,728.64 is: 17,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,339.64 : 32,208.31 = 12,728.64 : x
  2. Step 2: Convert to fraction form
    23,339.64/32,208.31 = 12,728.64/x
  3. Step 3: Cross multiply
    23,339.64x = 32,208.31 × 12,728.64
  4. Step 4: Simplify right side
    23,339.64x = 409,967,983.00
  5. Step 5: Solve for x
    x = 409,967,983.00/23,339.64
  6. Step 6: Final answer
    x = 17,565.31

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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.