Home / 26,960.30-40,430.85-12,176.30

Finding the Fourth Proportional to 26,960.30, 40,430.85 and 12,176.30

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Solution

The fourth proportional to 26,960.30, 40,430.85 and 12,176.30 is: 18,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,960.30 : 40,430.85 = 12,176.30 : x
  2. Step 2: Convert to fraction form
    26,960.30/40,430.85 = 12,176.30/x
  3. Step 3: Cross multiply
    26,960.30x = 40,430.85 × 12,176.30
  4. Step 4: Simplify right side
    26,960.30x = 492,298,158.86
  5. Step 5: Solve for x
    x = 492,298,158.86/26,960.30
  6. Step 6: Final answer
    x = 18,260.11

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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.