Home / 18,580.32-27,998.33-15,365.70

Finding the Fourth Proportional to 18,580.32, 27,998.33 and 15,365.70

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Solution

The fourth proportional to 18,580.32, 27,998.33 and 15,365.70 is: 23,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.32 : 27,998.33 = 15,365.70 : x
  2. Step 2: Convert to fraction form
    18,580.32/27,998.33 = 15,365.70/x
  3. Step 3: Cross multiply
    18,580.32x = 27,998.33 × 15,365.70
  4. Step 4: Simplify right side
    18,580.32x = 430,213,862.45
  5. Step 5: Solve for x
    x = 430,213,862.45/18,580.32
  6. Step 6: Final answer
    x = 23,154.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.