Home / 38,420.39-53,001.33-25,676.73

Finding the Fourth Proportional to 38,420.39, 53,001.33 and 25,676.73

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Solution

The fourth proportional to 38,420.39, 53,001.33 and 25,676.73 is: 35,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,420.39 : 53,001.33 = 25,676.73 : x
  2. Step 2: Convert to fraction form
    38,420.39/53,001.33 = 25,676.73/x
  3. Step 3: Cross multiply
    38,420.39x = 53,001.33 × 25,676.73
  4. Step 4: Simplify right side
    38,420.39x = 1,360,900,840.05
  5. Step 5: Solve for x
    x = 1,360,900,840.05/38,420.39
  6. Step 6: Final answer
    x = 35,421.32

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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.