Home / 25,779.26-38,672.84-12,632.36

Finding the Fourth Proportional to 25,779.26, 38,672.84 and 12,632.36

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Solution

The fourth proportional to 25,779.26, 38,672.84 and 12,632.36 is: 18,950.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,779.26 : 38,672.84 = 12,632.36 : x
  2. Step 2: Convert to fraction form
    25,779.26/38,672.84 = 12,632.36/x
  3. Step 3: Cross multiply
    25,779.26x = 38,672.84 × 12,632.36
  4. Step 4: Simplify right side
    25,779.26x = 488,529,075.32
  5. Step 5: Solve for x
    x = 488,529,075.32/25,779.26
  6. Step 6: Final answer
    x = 18,950.47

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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.