Home / 18,058.20-27,087.30-16,445.40

Finding the Fourth Proportional to 18,058.20, 27,087.30 and 16,445.40

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Solution

The fourth proportional to 18,058.20, 27,087.30 and 16,445.40 is: 24,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,058.20 : 27,087.30 = 16,445.40 : x
  2. Step 2: Convert to fraction form
    18,058.20/27,087.30 = 16,445.40/x
  3. Step 3: Cross multiply
    18,058.20x = 27,087.30 × 16,445.40
  4. Step 4: Simplify right side
    18,058.20x = 445,461,483.42
  5. Step 5: Solve for x
    x = 445,461,483.42/18,058.20
  6. Step 6: Final answer
    x = 24,668.10

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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.