Home / 28,901.38-43,360.82-20,484.18

Finding the Fourth Proportional to 28,901.38, 43,360.82 and 20,484.18

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Solution

The fourth proportional to 28,901.38, 43,360.82 and 20,484.18 is: 30,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.38 : 43,360.82 = 20,484.18 : x
  2. Step 2: Convert to fraction form
    28,901.38/43,360.82 = 20,484.18/x
  3. Step 3: Cross multiply
    28,901.38x = 43,360.82 × 20,484.18
  4. Step 4: Simplify right side
    28,901.38x = 888,210,841.83
  5. Step 5: Solve for x
    x = 888,210,841.83/28,901.38
  6. Step 6: Final answer
    x = 30,732.47

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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.