Home / 21,244.29-31,870.26-17,330.25

Finding the Fourth Proportional to 21,244.29, 31,870.26 and 17,330.25

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Solution

The fourth proportional to 21,244.29, 31,870.26 and 17,330.25 is: 25,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.29 : 31,870.26 = 17,330.25 : x
  2. Step 2: Convert to fraction form
    21,244.29/31,870.26 = 17,330.25/x
  3. Step 3: Cross multiply
    21,244.29x = 31,870.26 × 17,330.25
  4. Step 4: Simplify right side
    21,244.29x = 552,319,573.37
  5. Step 5: Solve for x
    x = 552,319,573.37/21,244.29
  6. Step 6: Final answer
    x = 25,998.50

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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.