Home / 27,074.04-40,606.10-12,279.40

Finding the Fourth Proportional to 27,074.04, 40,606.10 and 12,279.40

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Solution

The fourth proportional to 27,074.04, 40,606.10 and 12,279.40 is: 18,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,074.04 : 40,606.10 = 12,279.40 : x
  2. Step 2: Convert to fraction form
    27,074.04/40,606.10 = 12,279.40/x
  3. Step 3: Cross multiply
    27,074.04x = 40,606.10 × 12,279.40
  4. Step 4: Simplify right side
    27,074.04x = 498,618,544.34
  5. Step 5: Solve for x
    x = 498,618,544.34/27,074.04
  6. Step 6: Final answer
    x = 18,416.85

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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.