Home / 15,935.96-23,904.48-5,405.88

Finding the Fourth Proportional to 15,935.96, 23,904.48 and 5,405.88

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Solution

The fourth proportional to 15,935.96, 23,904.48 and 5,405.88 is: 8,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,935.96 : 23,904.48 = 5,405.88 : x
  2. Step 2: Convert to fraction form
    15,935.96/23,904.48 = 5,405.88/x
  3. Step 3: Cross multiply
    15,935.96x = 23,904.48 × 5,405.88
  4. Step 4: Simplify right side
    15,935.96x = 129,224,750.34
  5. Step 5: Solve for x
    x = 129,224,750.34/15,935.96
  6. Step 6: Final answer
    x = 8,109.00

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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.