Home / 40,956.08-56,489.16-28,213.36

Finding the Fourth Proportional to 40,956.08, 56,489.16 and 28,213.36

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Solution

The fourth proportional to 40,956.08, 56,489.16 and 28,213.36 is: 38,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,956.08 : 56,489.16 = 28,213.36 : x
  2. Step 2: Convert to fraction form
    40,956.08/56,489.16 = 28,213.36/x
  3. Step 3: Cross multiply
    40,956.08x = 56,489.16 × 28,213.36
  4. Step 4: Simplify right side
    40,956.08x = 1,593,749,007.18
  5. Step 5: Solve for x
    x = 1,593,749,007.18/40,956.08
  6. Step 6: Final answer
    x = 38,913.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.