Home / 31,428.26-43,371.34-17,281.08

Finding the Fourth Proportional to 31,428.26, 43,371.34 and 17,281.08

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Solution

The fourth proportional to 31,428.26, 43,371.34 and 17,281.08 is: 23,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,428.26 : 43,371.34 = 17,281.08 : x
  2. Step 2: Convert to fraction form
    31,428.26/43,371.34 = 17,281.08/x
  3. Step 3: Cross multiply
    31,428.26x = 43,371.34 × 17,281.08
  4. Step 4: Simplify right side
    31,428.26x = 749,503,596.25
  5. Step 5: Solve for x
    x = 749,503,596.25/31,428.26
  6. Step 6: Final answer
    x = 23,848.08

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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.