Home / 25,546.89-38,326.10-7,779.14

Finding the Fourth Proportional to 25,546.89, 38,326.10 and 7,779.14

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Solution

The fourth proportional to 25,546.89, 38,326.10 and 7,779.14 is: 11,670.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,546.89 : 38,326.10 = 7,779.14 : x
  2. Step 2: Convert to fraction form
    25,546.89/38,326.10 = 7,779.14/x
  3. Step 3: Cross multiply
    25,546.89x = 38,326.10 × 7,779.14
  4. Step 4: Simplify right side
    25,546.89x = 298,144,069.09
  5. Step 5: Solve for x
    x = 298,144,069.09/25,546.89
  6. Step 6: Final answer
    x = 11,670.46

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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.