Home / 25,740.13-35,521.97-14,409.34

Finding the Fourth Proportional to 25,740.13, 35,521.97 and 14,409.34

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Solution

The fourth proportional to 25,740.13, 35,521.97 and 14,409.34 is: 19,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.13 : 35,521.97 = 14,409.34 : x
  2. Step 2: Convert to fraction form
    25,740.13/35,521.97 = 14,409.34/x
  3. Step 3: Cross multiply
    25,740.13x = 35,521.97 × 14,409.34
  4. Step 4: Simplify right side
    25,740.13x = 511,847,893.54
  5. Step 5: Solve for x
    x = 511,847,893.54/25,740.13
  6. Step 6: Final answer
    x = 19,885.21

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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.