Home / 25,858.10-38,779.04-17,139.26

Finding the Fourth Proportional to 25,858.10, 38,779.04 and 17,139.26

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Solution

The fourth proportional to 25,858.10, 38,779.04 and 17,139.26 is: 25,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,858.10 : 38,779.04 = 17,139.26 : x
  2. Step 2: Convert to fraction form
    25,858.10/38,779.04 = 17,139.26/x
  3. Step 3: Cross multiply
    25,858.10x = 38,779.04 × 17,139.26
  4. Step 4: Simplify right side
    25,858.10x = 664,643,769.52
  5. Step 5: Solve for x
    x = 664,643,769.52/25,858.10
  6. Step 6: Final answer
    x = 25,703.51

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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.