Home / 23,688.87-32,690.57-13,078.43

Finding the Fourth Proportional to 23,688.87, 32,690.57 and 13,078.43

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Solution

The fourth proportional to 23,688.87, 32,690.57 and 13,078.43 is: 18,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,688.87 : 32,690.57 = 13,078.43 : x
  2. Step 2: Convert to fraction form
    23,688.87/32,690.57 = 13,078.43/x
  3. Step 3: Cross multiply
    23,688.87x = 32,690.57 × 13,078.43
  4. Step 4: Simplify right side
    23,688.87x = 427,541,331.41
  5. Step 5: Solve for x
    x = 427,541,331.41/23,688.87
  6. Step 6: Final answer
    x = 18,048.19

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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.