Home / 18,480.48-27,845.40-15,265.56

Finding the Fourth Proportional to 18,480.48, 27,845.40 and 15,265.56

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Solution

The fourth proportional to 18,480.48, 27,845.40 and 15,265.56 is: 23,001.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.48 : 27,845.40 = 15,265.56 : x
  2. Step 2: Convert to fraction form
    18,480.48/27,845.40 = 15,265.56/x
  3. Step 3: Cross multiply
    18,480.48x = 27,845.40 × 15,265.56
  4. Step 4: Simplify right side
    18,480.48x = 425,075,624.42
  5. Step 5: Solve for x
    x = 425,075,624.42/18,480.48
  6. Step 6: Final answer
    x = 23,001.33

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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.