Home / 19,888.29-29,817.45-17,147.25

Finding the Fourth Proportional to 19,888.29, 29,817.45 and 17,147.25

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Solution

The fourth proportional to 19,888.29, 29,817.45 and 17,147.25 is: 25,707.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.29 : 29,817.45 = 17,147.25 : x
  2. Step 2: Convert to fraction form
    19,888.29/29,817.45 = 17,147.25/x
  3. Step 3: Cross multiply
    19,888.29x = 29,817.45 × 17,147.25
  4. Step 4: Simplify right side
    19,888.29x = 511,287,269.51
  5. Step 5: Solve for x
    x = 511,287,269.51/19,888.29
  6. Step 6: Final answer
    x = 25,707.96

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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.