Home / 28,832.16-43,247.64-8,055.12

Finding the Fourth Proportional to 28,832.16, 43,247.64 and 8,055.12

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Solution

The fourth proportional to 28,832.16, 43,247.64 and 8,055.12 is: 12,082.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,832.16 : 43,247.64 = 8,055.12 : x
  2. Step 2: Convert to fraction form
    28,832.16/43,247.64 = 8,055.12/x
  3. Step 3: Cross multiply
    28,832.16x = 43,247.64 × 8,055.12
  4. Step 4: Simplify right side
    28,832.16x = 348,364,929.92
  5. Step 5: Solve for x
    x = 348,364,929.92/28,832.16
  6. Step 6: Final answer
    x = 12,082.51

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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.