Home / 25,740.46-35,521.54-14,409.78

Finding the Fourth Proportional to 25,740.46, 35,521.54 and 14,409.78

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Solution

The fourth proportional to 25,740.46, 35,521.54 and 14,409.78 is: 19,885.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.46 : 35,521.54 = 14,409.78 : x
  2. Step 2: Convert to fraction form
    25,740.46/35,521.54 = 14,409.78/x
  3. Step 3: Cross multiply
    25,740.46x = 35,521.54 × 14,409.78
  4. Step 4: Simplify right side
    25,740.46x = 511,857,576.66
  5. Step 5: Solve for x
    x = 511,857,576.66/25,740.46
  6. Step 6: Final answer
    x = 19,885.33

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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.