Home / 25,655.04-38,428.56-16,290.36

Finding the Fourth Proportional to 25,655.04, 38,428.56 and 16,290.36

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Solution

The fourth proportional to 25,655.04, 38,428.56 and 16,290.36 is: 24,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655.04 : 38,428.56 = 16,290.36 : x
  2. Step 2: Convert to fraction form
    25,655.04/38,428.56 = 16,290.36/x
  3. Step 3: Cross multiply
    25,655.04x = 38,428.56 × 16,290.36
  4. Step 4: Simplify right side
    25,655.04x = 626,015,076.68
  5. Step 5: Solve for x
    x = 626,015,076.68/25,655.04
  6. Step 6: Final answer
    x = 24,401.25

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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.