Home / 27,054.60-40,554.36-18,290.40

Finding the Fourth Proportional to 27,054.60, 40,554.36 and 18,290.40

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Solution

The fourth proportional to 27,054.60, 40,554.36 and 18,290.40 is: 27,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,054.60 : 40,554.36 = 18,290.40 : x
  2. Step 2: Convert to fraction form
    27,054.60/40,554.36 = 18,290.40/x
  3. Step 3: Cross multiply
    27,054.60x = 40,554.36 × 18,290.40
  4. Step 4: Simplify right side
    27,054.60x = 741,755,466.14
  5. Step 5: Solve for x
    x = 741,755,466.14/27,054.60
  6. Step 6: Final answer
    x = 27,416.98

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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.