Home / 20,248.96-27,925.39-12,696.11

Finding the Fourth Proportional to 20,248.96, 27,925.39 and 12,696.11

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Solution

The fourth proportional to 20,248.96, 27,925.39 and 12,696.11 is: 17,509.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.96 : 27,925.39 = 12,696.11 : x
  2. Step 2: Convert to fraction form
    20,248.96/27,925.39 = 12,696.11/x
  3. Step 3: Cross multiply
    20,248.96x = 27,925.39 × 12,696.11
  4. Step 4: Simplify right side
    20,248.96x = 354,543,940.66
  5. Step 5: Solve for x
    x = 354,543,940.66/20,248.96
  6. Step 6: Final answer
    x = 17,509.24

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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.