Home / 25,497.86-35,229.28-20,161.12

Finding the Fourth Proportional to 25,497.86, 35,229.28 and 20,161.12

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Solution

The fourth proportional to 25,497.86, 35,229.28 and 20,161.12 is: 27,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,497.86 : 35,229.28 = 20,161.12 : x
  2. Step 2: Convert to fraction form
    25,497.86/35,229.28 = 20,161.12/x
  3. Step 3: Cross multiply
    25,497.86x = 35,229.28 × 20,161.12
  4. Step 4: Simplify right side
    25,497.86x = 710,261,741.59
  5. Step 5: Solve for x
    x = 710,261,741.59/25,497.86
  6. Step 6: Final answer
    x = 27,855.74

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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.