Home / 25,969.78-38,989.26-17,564.53

Finding the Fourth Proportional to 25,969.78, 38,989.26 and 17,564.53

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Solution

The fourth proportional to 25,969.78, 38,989.26 and 17,564.53 is: 26,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.78 : 38,989.26 = 17,564.53 : x
  2. Step 2: Convert to fraction form
    25,969.78/38,989.26 = 17,564.53/x
  3. Step 3: Cross multiply
    25,969.78x = 38,989.26 × 17,564.53
  4. Step 4: Simplify right side
    25,969.78x = 684,828,026.95
  5. Step 5: Solve for x
    x = 684,828,026.95/25,969.78
  6. Step 6: Final answer
    x = 26,370.19

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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.