Home / 25,035.45-34,548.95-15,604

Finding the Fourth Proportional to 25,035.45, 34,548.95 and 15,604

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Solution

The fourth proportional to 25,035.45, 34,548.95 and 15,604 is: 21,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,035.45 : 34,548.95 = 15,604 : x
  2. Step 2: Convert to fraction form
    25,035.45/34,548.95 = 15,604/x
  3. Step 3: Cross multiply
    25,035.45x = 34,548.95 × 15,604
  4. Step 4: Simplify right side
    25,035.45x = 539,101,815.80
  5. Step 5: Solve for x
    x = 539,101,815.80/25,035.45
  6. Step 6: Final answer
    x = 21,533.54

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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.