Home / 27,085.04-40,622.58-12,290.40

Finding the Fourth Proportional to 27,085.04, 40,622.58 and 12,290.40

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Solution

The fourth proportional to 27,085.04, 40,622.58 and 12,290.40 is: 18,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085.04 : 40,622.58 = 12,290.40 : x
  2. Step 2: Convert to fraction form
    27,085.04/40,622.58 = 12,290.40/x
  3. Step 3: Cross multiply
    27,085.04x = 40,622.58 × 12,290.40
  4. Step 4: Simplify right side
    27,085.04x = 499,267,757.23
  5. Step 5: Solve for x
    x = 499,267,757.23/27,085.04
  6. Step 6: Final answer
    x = 18,433.34

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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.