Home / 17,288.05-25,938.46-13,986.90

Finding the Fourth Proportional to 17,288.05, 25,938.46 and 13,986.90

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Solution

The fourth proportional to 17,288.05, 25,938.46 and 13,986.90 is: 20,985.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,288.05 : 25,938.46 = 13,986.90 : x
  2. Step 2: Convert to fraction form
    17,288.05/25,938.46 = 13,986.90/x
  3. Step 3: Cross multiply
    17,288.05x = 25,938.46 × 13,986.90
  4. Step 4: Simplify right side
    17,288.05x = 362,798,646.17
  5. Step 5: Solve for x
    x = 362,798,646.17/17,288.05
  6. Step 6: Final answer
    x = 20,985.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.