Home / 25,888.26-38,804.68-13,395.70

Finding the Fourth Proportional to 25,888.26, 38,804.68 and 13,395.70

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Solution

The fourth proportional to 25,888.26, 38,804.68 and 13,395.70 is: 20,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,888.26 : 38,804.68 = 13,395.70 : x
  2. Step 2: Convert to fraction form
    25,888.26/38,804.68 = 13,395.70/x
  3. Step 3: Cross multiply
    25,888.26x = 38,804.68 × 13,395.70
  4. Step 4: Simplify right side
    25,888.26x = 519,815,851.88
  5. Step 5: Solve for x
    x = 519,815,851.88/25,888.26
  6. Step 6: Final answer
    x = 20,079.21

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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.