Home / 40,940.92-56,472.96-28,172.08

Finding the Fourth Proportional to 40,940.92, 56,472.96 and 28,172.08

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Solution

The fourth proportional to 40,940.92, 56,472.96 and 28,172.08 is: 38,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,940.92 : 56,472.96 = 28,172.08 : x
  2. Step 2: Convert to fraction form
    40,940.92/56,472.96 = 28,172.08/x
  3. Step 3: Cross multiply
    40,940.92x = 56,472.96 × 28,172.08
  4. Step 4: Simplify right side
    40,940.92x = 1,590,960,746.96
  5. Step 5: Solve for x
    x = 1,590,960,746.96/40,940.92
  6. Step 6: Final answer
    x = 38,859.92

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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.