Home / 25,628.46-38,460.06-8,988.36

Finding the Fourth Proportional to 25,628.46, 38,460.06 and 8,988.36

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Solution

The fourth proportional to 25,628.46, 38,460.06 and 8,988.36 is: 13,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,628.46 : 38,460.06 = 8,988.36 : x
  2. Step 2: Convert to fraction form
    25,628.46/38,460.06 = 8,988.36/x
  3. Step 3: Cross multiply
    25,628.46x = 38,460.06 × 8,988.36
  4. Step 4: Simplify right side
    25,628.46x = 345,692,864.90
  5. Step 5: Solve for x
    x = 345,692,864.90/25,628.46
  6. Step 6: Final answer
    x = 13,488.63

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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.