Home / 28,864.08-43,292.34-7,805.70

Finding the Fourth Proportional to 28,864.08, 43,292.34 and 7,805.70

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Solution

The fourth proportional to 28,864.08, 43,292.34 and 7,805.70 is: 11,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.08 : 43,292.34 = 7,805.70 : x
  2. Step 2: Convert to fraction form
    28,864.08/43,292.34 = 7,805.70/x
  3. Step 3: Cross multiply
    28,864.08x = 43,292.34 × 7,805.70
  4. Step 4: Simplify right side
    28,864.08x = 337,927,018.34
  5. Step 5: Solve for x
    x = 337,927,018.34/28,864.08
  6. Step 6: Final answer
    x = 11,707.53

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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.