Home / 35,986.86-53,967.33-15,211.98

Finding the Fourth Proportional to 35,986.86, 53,967.33 and 15,211.98

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Solution

The fourth proportional to 35,986.86, 53,967.33 and 15,211.98 is: 22,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,986.86 : 53,967.33 = 15,211.98 : x
  2. Step 2: Convert to fraction form
    35,986.86/53,967.33 = 15,211.98/x
  3. Step 3: Cross multiply
    35,986.86x = 53,967.33 × 15,211.98
  4. Step 4: Simplify right side
    35,986.86x = 820,949,944.61
  5. Step 5: Solve for x
    x = 820,949,944.61/35,986.86
  6. Step 6: Final answer
    x = 22,812.49

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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.