Home / 25,669.48-35,422.32-14,912.68

Finding the Fourth Proportional to 25,669.48, 35,422.32 and 14,912.68

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Solution

The fourth proportional to 25,669.48, 35,422.32 and 14,912.68 is: 20,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.48 : 35,422.32 = 14,912.68 : x
  2. Step 2: Convert to fraction form
    25,669.48/35,422.32 = 14,912.68/x
  3. Step 3: Cross multiply
    25,669.48x = 35,422.32 × 14,912.68
  4. Step 4: Simplify right side
    25,669.48x = 528,241,723.02
  5. Step 5: Solve for x
    x = 528,241,723.02/25,669.48
  6. Step 6: Final answer
    x = 20,578.59

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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.