Home / 25,986.45-35,860.77-14,655.81

Finding the Fourth Proportional to 25,986.45, 35,860.77 and 14,655.81

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Solution

The fourth proportional to 25,986.45, 35,860.77 and 14,655.81 is: 20,224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,986.45 : 35,860.77 = 14,655.81 : x
  2. Step 2: Convert to fraction form
    25,986.45/35,860.77 = 14,655.81/x
  3. Step 3: Cross multiply
    25,986.45x = 35,860.77 × 14,655.81
  4. Step 4: Simplify right side
    25,986.45x = 525,568,631.57
  5. Step 5: Solve for x
    x = 525,568,631.57/25,986.45
  6. Step 6: Final answer
    x = 20,224.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.