Home / 25,308.24-37,911.32-21,189.38

Finding the Fourth Proportional to 25,308.24, 37,911.32 and 21,189.38

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Solution

The fourth proportional to 25,308.24, 37,911.32 and 21,189.38 is: 31,741.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,308.24 : 37,911.32 = 21,189.38 : x
  2. Step 2: Convert to fraction form
    25,308.24/37,911.32 = 21,189.38/x
  3. Step 3: Cross multiply
    25,308.24x = 37,911.32 × 21,189.38
  4. Step 4: Simplify right side
    25,308.24x = 803,317,365.78
  5. Step 5: Solve for x
    x = 803,317,365.78/25,308.24
  6. Step 6: Final answer
    x = 31,741.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.