Home / 21,248.29-31,876.26-17,334.25

Finding the Fourth Proportional to 21,248.29, 31,876.26 and 17,334.25

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Solution

The fourth proportional to 21,248.29, 31,876.26 and 17,334.25 is: 26,004.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248.29 : 31,876.26 = 17,334.25 : x
  2. Step 2: Convert to fraction form
    21,248.29/31,876.26 = 17,334.25/x
  3. Step 3: Cross multiply
    21,248.29x = 31,876.26 × 17,334.25
  4. Step 4: Simplify right side
    21,248.29x = 552,551,059.91
  5. Step 5: Solve for x
    x = 552,551,059.91/21,248.29
  6. Step 6: Final answer
    x = 26,004.50

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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.