Home / 28,507.23-39,330.33-18,448.38

Finding the Fourth Proportional to 28,507.23, 39,330.33 and 18,448.38

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Solution

The fourth proportional to 28,507.23, 39,330.33 and 18,448.38 is: 25,452.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,507.23 : 39,330.33 = 18,448.38 : x
  2. Step 2: Convert to fraction form
    28,507.23/39,330.33 = 18,448.38/x
  3. Step 3: Cross multiply
    28,507.23x = 39,330.33 × 18,448.38
  4. Step 4: Simplify right side
    28,507.23x = 725,580,873.37
  5. Step 5: Solve for x
    x = 725,580,873.37/28,507.23
  6. Step 6: Final answer
    x = 25,452.52

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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.