Home / 25,779.10-38,674.16-8,009.36

Finding the Fourth Proportional to 25,779.10, 38,674.16 and 8,009.36

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Solution

The fourth proportional to 25,779.10, 38,674.16 and 8,009.36 is: 12,015.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,779.10 : 38,674.16 = 8,009.36 : x
  2. Step 2: Convert to fraction form
    25,779.10/38,674.16 = 8,009.36/x
  3. Step 3: Cross multiply
    25,779.10x = 38,674.16 × 8,009.36
  4. Step 4: Simplify right side
    25,779.10x = 309,755,230.09
  5. Step 5: Solve for x
    x = 309,755,230.09/25,779.10
  6. Step 6: Final answer
    x = 12,015.75

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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.