Home / 31,368.30-43,288.28-17,028.12

Finding the Fourth Proportional to 31,368.30, 43,288.28 and 17,028.12

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Solution

The fourth proportional to 31,368.30, 43,288.28 and 17,028.12 is: 23,498.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,368.30 : 43,288.28 = 17,028.12 : x
  2. Step 2: Convert to fraction form
    31,368.30/43,288.28 = 17,028.12/x
  3. Step 3: Cross multiply
    31,368.30x = 43,288.28 × 17,028.12
  4. Step 4: Simplify right side
    31,368.30x = 737,117,918.21
  5. Step 5: Solve for x
    x = 737,117,918.21/31,368.30
  6. Step 6: Final answer
    x = 23,498.82

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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.