Home / 26,880.08-40,320.18-8,160.26

Finding the Fourth Proportional to 26,880.08, 40,320.18 and 8,160.26

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Solution

The fourth proportional to 26,880.08, 40,320.18 and 8,160.26 is: 12,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,880.08 : 40,320.18 = 8,160.26 : x
  2. Step 2: Convert to fraction form
    26,880.08/40,320.18 = 8,160.26/x
  3. Step 3: Cross multiply
    26,880.08x = 40,320.18 × 8,160.26
  4. Step 4: Simplify right side
    26,880.08x = 329,022,950.45
  5. Step 5: Solve for x
    x = 329,022,950.45/26,880.08
  6. Step 6: Final answer
    x = 12,240.40

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Similar ratio
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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.