Home / 25,957.02-35,821.41-15,885.28

Finding the Fourth Proportional to 25,957.02, 35,821.41 and 15,885.28

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Solution

The fourth proportional to 25,957.02, 35,821.41 and 15,885.28 is: 21,922.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,957.02 : 35,821.41 = 15,885.28 : x
  2. Step 2: Convert to fraction form
    25,957.02/35,821.41 = 15,885.28/x
  3. Step 3: Cross multiply
    25,957.02x = 35,821.41 × 15,885.28
  4. Step 4: Simplify right side
    25,957.02x = 569,033,113.05
  5. Step 5: Solve for x
    x = 569,033,113.05/25,957.02
  6. Step 6: Final answer
    x = 21,922.12

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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.