Home / 27,070.40-40,613.79-12,275.34

Finding the Fourth Proportional to 27,070.40, 40,613.79 and 12,275.34

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Solution

The fourth proportional to 27,070.40, 40,613.79 and 12,275.34 is: 18,416.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,070.40 : 40,613.79 = 12,275.34 : x
  2. Step 2: Convert to fraction form
    27,070.40/40,613.79 = 12,275.34/x
  3. Step 3: Cross multiply
    27,070.40x = 40,613.79 × 12,275.34
  4. Step 4: Simplify right side
    27,070.40x = 498,548,080.94
  5. Step 5: Solve for x
    x = 498,548,080.94/27,070.40
  6. Step 6: Final answer
    x = 18,416.73

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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.