Home / 25,857.92-38,821.28-15,347.36

Finding the Fourth Proportional to 25,857.92, 38,821.28 and 15,347.36

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Solution

The fourth proportional to 25,857.92, 38,821.28 and 15,347.36 is: 23,041.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857.92 : 38,821.28 = 15,347.36 : x
  2. Step 2: Convert to fraction form
    25,857.92/38,821.28 = 15,347.36/x
  3. Step 3: Cross multiply
    25,857.92x = 38,821.28 × 15,347.36
  4. Step 4: Simplify right side
    25,857.92x = 595,804,159.82
  5. Step 5: Solve for x
    x = 595,804,159.82/25,857.92
  6. Step 6: Final answer
    x = 23,041.46

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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.