Home / 34,362.88-51,538.16-15,638.56

Finding the Fourth Proportional to 34,362.88, 51,538.16 and 15,638.56

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Solution

The fourth proportional to 34,362.88, 51,538.16 and 15,638.56 is: 23,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,362.88 : 51,538.16 = 15,638.56 : x
  2. Step 2: Convert to fraction form
    34,362.88/51,538.16 = 15,638.56/x
  3. Step 3: Cross multiply
    34,362.88x = 51,538.16 × 15,638.56
  4. Step 4: Simplify right side
    34,362.88x = 805,982,607.45
  5. Step 5: Solve for x
    x = 805,982,607.45/34,362.88
  6. Step 6: Final answer
    x = 23,455.04

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1.5x scale

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.