Home / 23,578.59-32,546-15,103.51

Finding the Fourth Proportional to 23,578.59, 32,546 and 15,103.51

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Solution

The fourth proportional to 23,578.59, 32,546 and 15,103.51 is: 20,847.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,578.59 : 32,546 = 15,103.51 : x
  2. Step 2: Convert to fraction form
    23,578.59/32,546 = 15,103.51/x
  3. Step 3: Cross multiply
    23,578.59x = 32,546 × 15,103.51
  4. Step 4: Simplify right side
    23,578.59x = 491,558,836.46
  5. Step 5: Solve for x
    x = 491,558,836.46/23,578.59
  6. Step 6: Final answer
    x = 20,847.68

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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.