Home / 25,600.74-35,329.77-14,989.38

Finding the Fourth Proportional to 25,600.74, 35,329.77 and 14,989.38

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Solution

The fourth proportional to 25,600.74, 35,329.77 and 14,989.38 is: 20,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,600.74 : 35,329.77 = 14,989.38 : x
  2. Step 2: Convert to fraction form
    25,600.74/35,329.77 = 14,989.38/x
  3. Step 3: Cross multiply
    25,600.74x = 35,329.77 × 14,989.38
  4. Step 4: Simplify right side
    25,600.74x = 529,571,347.84
  5. Step 5: Solve for x
    x = 529,571,347.84/25,600.74
  6. Step 6: Final answer
    x = 20,685.78

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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.