Home / 25,281.80-37,891.94-17,888.39

Finding the Fourth Proportional to 25,281.80, 37,891.94 and 17,888.39

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Solution

The fourth proportional to 25,281.80, 37,891.94 and 17,888.39 is: 26,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.80 : 37,891.94 = 17,888.39 : x
  2. Step 2: Convert to fraction form
    25,281.80/37,891.94 = 17,888.39/x
  3. Step 3: Cross multiply
    25,281.80x = 37,891.94 × 17,888.39
  4. Step 4: Simplify right side
    25,281.80x = 677,825,521.67
  5. Step 5: Solve for x
    x = 677,825,521.67/25,281.80
  6. Step 6: Final answer
    x = 26,810.81

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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.