Home / 27,451.98-37,890-15,522.30

Finding the Fourth Proportional to 27,451.98, 37,890 and 15,522.30

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Solution

The fourth proportional to 27,451.98, 37,890 and 15,522.30 is: 21,424.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,451.98 : 37,890 = 15,522.30 : x
  2. Step 2: Convert to fraction form
    27,451.98/37,890 = 15,522.30/x
  3. Step 3: Cross multiply
    27,451.98x = 37,890 × 15,522.30
  4. Step 4: Simplify right side
    27,451.98x = 588,139,947
  5. Step 5: Solve for x
    x = 588,139,947/27,451.98
  6. Step 6: Final answer
    x = 21,424.32

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1.5x scale

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.