Home / 25,731.60-35,509.92-14,401.80

Finding the Fourth Proportional to 25,731.60, 35,509.92 and 14,401.80

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Solution

The fourth proportional to 25,731.60, 35,509.92 and 14,401.80 is: 19,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,731.60 : 35,509.92 = 14,401.80 : x
  2. Step 2: Convert to fraction form
    25,731.60/35,509.92 = 14,401.80/x
  3. Step 3: Cross multiply
    25,731.60x = 35,509.92 × 14,401.80
  4. Step 4: Simplify right side
    25,731.60x = 511,406,765.86
  5. Step 5: Solve for x
    x = 511,406,765.86/25,731.60
  6. Step 6: Final answer
    x = 19,874.66

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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.