Home / 25,561.44-38,292.93-20,886.71

Finding the Fourth Proportional to 25,561.44, 38,292.93 and 20,886.71

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Solution

The fourth proportional to 25,561.44, 38,292.93 and 20,886.71 is: 31,289.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.44 : 38,292.93 = 20,886.71 : x
  2. Step 2: Convert to fraction form
    25,561.44/38,292.93 = 20,886.71/x
  3. Step 3: Cross multiply
    25,561.44x = 38,292.93 × 20,886.71
  4. Step 4: Simplify right side
    25,561.44x = 799,813,132.50
  5. Step 5: Solve for x
    x = 799,813,132.50/25,561.44
  6. Step 6: Final answer
    x = 31,289.83

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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.