Home / 27,322.16-40,969.13-12,518.39

Finding the Fourth Proportional to 27,322.16, 40,969.13 and 12,518.39

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Solution

The fourth proportional to 27,322.16, 40,969.13 and 12,518.39 is: 18,771.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,322.16 : 40,969.13 = 12,518.39 : x
  2. Step 2: Convert to fraction form
    27,322.16/40,969.13 = 12,518.39/x
  3. Step 3: Cross multiply
    27,322.16x = 40,969.13 × 12,518.39
  4. Step 4: Simplify right side
    27,322.16x = 512,867,279.86
  5. Step 5: Solve for x
    x = 512,867,279.86/27,322.16
  6. Step 6: Final answer
    x = 18,771.11

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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.