Home / 25,728.21-35,504.64-14,397.74

Finding the Fourth Proportional to 25,728.21, 35,504.64 and 14,397.74

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Solution

The fourth proportional to 25,728.21, 35,504.64 and 14,397.74 is: 19,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,728.21 : 35,504.64 = 14,397.74 : x
  2. Step 2: Convert to fraction form
    25,728.21/35,504.64 = 14,397.74/x
  3. Step 3: Cross multiply
    25,728.21x = 35,504.64 × 14,397.74
  4. Step 4: Simplify right side
    25,728.21x = 511,186,397.99
  5. Step 5: Solve for x
    x = 511,186,397.99/25,728.21
  6. Step 6: Final answer
    x = 19,868.71

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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.