Home / 25,386.97-35,032.10-15,837.53

Finding the Fourth Proportional to 25,386.97, 35,032.10 and 15,837.53

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Solution

The fourth proportional to 25,386.97, 35,032.10 and 15,837.53 is: 21,854.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,386.97 : 35,032.10 = 15,837.53 : x
  2. Step 2: Convert to fraction form
    25,386.97/35,032.10 = 15,837.53/x
  3. Step 3: Cross multiply
    25,386.97x = 35,032.10 × 15,837.53
  4. Step 4: Simplify right side
    25,386.97x = 554,821,680.36
  5. Step 5: Solve for x
    x = 554,821,680.36/25,386.97
  6. Step 6: Final answer
    x = 21,854.59

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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.