Home / 20,179.36-27,827.98-13,465.27

Finding the Fourth Proportional to 20,179.36, 27,827.98 and 13,465.27

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Solution

The fourth proportional to 20,179.36, 27,827.98 and 13,465.27 is: 18,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.36 : 27,827.98 = 13,465.27 : x
  2. Step 2: Convert to fraction form
    20,179.36/27,827.98 = 13,465.27/x
  3. Step 3: Cross multiply
    20,179.36x = 27,827.98 × 13,465.27
  4. Step 4: Simplify right side
    20,179.36x = 374,711,264.25
  5. Step 5: Solve for x
    x = 374,711,264.25/20,179.36
  6. Step 6: Final answer
    x = 18,569.04

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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.