Home / 21,950.64-30,268.49-17,697.20

Finding the Fourth Proportional to 21,950.64, 30,268.49 and 17,697.20

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Solution

The fourth proportional to 21,950.64, 30,268.49 and 17,697.20 is: 24,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950.64 : 30,268.49 = 17,697.20 : x
  2. Step 2: Convert to fraction form
    21,950.64/30,268.49 = 17,697.20/x
  3. Step 3: Cross multiply
    21,950.64x = 30,268.49 × 17,697.20
  4. Step 4: Simplify right side
    21,950.64x = 535,667,281.40
  5. Step 5: Solve for x
    x = 535,667,281.40/21,950.64
  6. Step 6: Final answer
    x = 24,403.26

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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.