Home / 38,779.68-58,166.26-15,399.84

Finding the Fourth Proportional to 38,779.68, 58,166.26 and 15,399.84

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Solution

The fourth proportional to 38,779.68, 58,166.26 and 15,399.84 is: 23,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,779.68 : 58,166.26 = 15,399.84 : x
  2. Step 2: Convert to fraction form
    38,779.68/58,166.26 = 15,399.84/x
  3. Step 3: Cross multiply
    38,779.68x = 58,166.26 × 15,399.84
  4. Step 4: Simplify right side
    38,779.68x = 895,751,097.40
  5. Step 5: Solve for x
    x = 895,751,097.40/38,779.68
  6. Step 6: Final answer
    x = 23,098.47

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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.