Home / 25,860.41-38,718.33-13,971.59

Finding the Fourth Proportional to 25,860.41, 38,718.33 and 13,971.59

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Solution

The fourth proportional to 25,860.41, 38,718.33 and 13,971.59 is: 20,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,860.41 : 38,718.33 = 13,971.59 : x
  2. Step 2: Convert to fraction form
    25,860.41/38,718.33 = 13,971.59/x
  3. Step 3: Cross multiply
    25,860.41x = 38,718.33 × 13,971.59
  4. Step 4: Simplify right side
    25,860.41x = 540,956,438.65
  5. Step 5: Solve for x
    x = 540,956,438.65/25,860.41
  6. Step 6: Final answer
    x = 20,918.33

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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.