Home / 18,038.28-27,058.89-5,558.31

Finding the Fourth Proportional to 18,038.28, 27,058.89 and 5,558.31

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Solution

The fourth proportional to 18,038.28, 27,058.89 and 5,558.31 is: 8,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.28 : 27,058.89 = 5,558.31 : x
  2. Step 2: Convert to fraction form
    18,038.28/27,058.89 = 5,558.31/x
  3. Step 3: Cross multiply
    18,038.28x = 27,058.89 × 5,558.31
  4. Step 4: Simplify right side
    18,038.28x = 150,401,698.88
  5. Step 5: Solve for x
    x = 150,401,698.88/18,038.28
  6. Step 6: Final answer
    x = 8,337.92

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1.5x scale

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.