Home / 25,485.84-35,187.60-19,506.84

Finding the Fourth Proportional to 25,485.84, 35,187.60 and 19,506.84

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Solution

The fourth proportional to 25,485.84, 35,187.60 and 19,506.84 is: 26,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,485.84 : 35,187.60 = 19,506.84 : x
  2. Step 2: Convert to fraction form
    25,485.84/35,187.60 = 19,506.84/x
  3. Step 3: Cross multiply
    25,485.84x = 35,187.60 × 19,506.84
  4. Step 4: Simplify right side
    25,485.84x = 686,398,883.18
  5. Step 5: Solve for x
    x = 686,398,883.18/25,485.84
  6. Step 6: Final answer
    x = 26,932.56

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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.