Home / 35,862.72-53,761.28-15,087.68

Finding the Fourth Proportional to 35,862.72, 53,761.28 and 15,087.68

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Solution

The fourth proportional to 35,862.72, 53,761.28 and 15,087.68 is: 22,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,862.72 : 53,761.28 = 15,087.68 : x
  2. Step 2: Convert to fraction form
    35,862.72/53,761.28 = 15,087.68/x
  3. Step 3: Cross multiply
    35,862.72x = 53,761.28 × 15,087.68
  4. Step 4: Simplify right side
    35,862.72x = 811,132,989.03
  5. Step 5: Solve for x
    x = 811,132,989.03/35,862.72
  6. Step 6: Final answer
    x = 22,617.72

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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.