Home / 40,029.76-55,212.42-28,095.76

Finding the Fourth Proportional to 40,029.76, 55,212.42 and 28,095.76

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Solution

The fourth proportional to 40,029.76, 55,212.42 and 28,095.76 is: 38,752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.76 : 55,212.42 = 28,095.76 : x
  2. Step 2: Convert to fraction form
    40,029.76/55,212.42 = 28,095.76/x
  3. Step 3: Cross multiply
    40,029.76x = 55,212.42 × 28,095.76
  4. Step 4: Simplify right side
    40,029.76x = 1,551,234,901.34
  5. Step 5: Solve for x
    x = 1,551,234,901.34/40,029.76
  6. Step 6: Final answer
    x = 38,752.04

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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.