Home / 16,781.54-25,140.65-14,025.92

Finding the Fourth Proportional to 16,781.54, 25,140.65 and 14,025.92

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Solution

The fourth proportional to 16,781.54, 25,140.65 and 14,025.92 is: 21,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.54 : 25,140.65 = 14,025.92 : x
  2. Step 2: Convert to fraction form
    16,781.54/25,140.65 = 14,025.92/x
  3. Step 3: Cross multiply
    16,781.54x = 25,140.65 × 14,025.92
  4. Step 4: Simplify right side
    16,781.54x = 352,620,549.82
  5. Step 5: Solve for x
    x = 352,620,549.82/16,781.54
  6. Step 6: Final answer
    x = 21,012.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.