Home / 28,990.86-43,475.16-10,267.44

Finding the Fourth Proportional to 28,990.86, 43,475.16 and 10,267.44

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Solution

The fourth proportional to 28,990.86, 43,475.16 and 10,267.44 is: 15,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990.86 : 43,475.16 = 10,267.44 : x
  2. Step 2: Convert to fraction form
    28,990.86/43,475.16 = 10,267.44/x
  3. Step 3: Cross multiply
    28,990.86x = 43,475.16 × 10,267.44
  4. Step 4: Simplify right side
    28,990.86x = 446,378,545.45
  5. Step 5: Solve for x
    x = 446,378,545.45/28,990.86
  6. Step 6: Final answer
    x = 15,397.22

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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.