Home / 23,465.79-32,382.80-12,855.46

Finding the Fourth Proportional to 23,465.79, 32,382.80 and 12,855.46

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Solution

The fourth proportional to 23,465.79, 32,382.80 and 12,855.46 is: 17,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,465.79 : 32,382.80 = 12,855.46 : x
  2. Step 2: Convert to fraction form
    23,465.79/32,382.80 = 12,855.46/x
  3. Step 3: Cross multiply
    23,465.79x = 32,382.80 × 12,855.46
  4. Step 4: Simplify right side
    23,465.79x = 416,295,790.09
  5. Step 5: Solve for x
    x = 416,295,790.09/23,465.79
  6. Step 6: Final answer
    x = 17,740.54

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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.