Home / 23,395.79-32,286.24-12,785.40

Finding the Fourth Proportional to 23,395.79, 32,286.24 and 12,785.40

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Solution

The fourth proportional to 23,395.79, 32,286.24 and 12,785.40 is: 17,643.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,395.79 : 32,286.24 = 12,785.40 : x
  2. Step 2: Convert to fraction form
    23,395.79/32,286.24 = 12,785.40/x
  3. Step 3: Cross multiply
    23,395.79x = 32,286.24 × 12,785.40
  4. Step 4: Simplify right side
    23,395.79x = 412,792,492.90
  5. Step 5: Solve for x
    x = 412,792,492.90/23,395.79
  6. Step 6: Final answer
    x = 17,643.88

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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.