Home / 25,854.96-38,746.56-11,780.59

Finding the Fourth Proportional to 25,854.96, 38,746.56 and 11,780.59

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Solution

The fourth proportional to 25,854.96, 38,746.56 and 11,780.59 is: 17,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,854.96 : 38,746.56 = 11,780.59 : x
  2. Step 2: Convert to fraction form
    25,854.96/38,746.56 = 11,780.59/x
  3. Step 3: Cross multiply
    25,854.96x = 38,746.56 × 11,780.59
  4. Step 4: Simplify right side
    25,854.96x = 456,457,327.29
  5. Step 5: Solve for x
    x = 456,457,327.29/25,854.96
  6. Step 6: Final answer
    x = 17,654.54

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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.