Home / 25,504.80-35,187.84-15,938.16

Finding the Fourth Proportional to 25,504.80, 35,187.84 and 15,938.16

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Solution

The fourth proportional to 25,504.80, 35,187.84 and 15,938.16 is: 21,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,504.80 : 35,187.84 = 15,938.16 : x
  2. Step 2: Convert to fraction form
    25,504.80/35,187.84 = 15,938.16/x
  3. Step 3: Cross multiply
    25,504.80x = 35,187.84 × 15,938.16
  4. Step 4: Simplify right side
    25,504.80x = 560,829,423.97
  5. Step 5: Solve for x
    x = 560,829,423.97/25,504.80
  6. Step 6: Final answer
    x = 21,989.17

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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.