Home / 25,779.24-38,662.82-14,539.42

Finding the Fourth Proportional to 25,779.24, 38,662.82 and 14,539.42

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Solution

The fourth proportional to 25,779.24, 38,662.82 and 14,539.42 is: 21,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,779.24 : 38,662.82 = 14,539.42 : x
  2. Step 2: Convert to fraction form
    25,779.24/38,662.82 = 14,539.42/x
  3. Step 3: Cross multiply
    25,779.24x = 38,662.82 × 14,539.42
  4. Step 4: Simplify right side
    25,779.24x = 562,134,978.36
  5. Step 5: Solve for x
    x = 562,134,978.36/25,779.24
  6. Step 6: Final answer
    x = 21,805.72

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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.