Home / 38,954.61-58,389.80-15,555.33

Finding the Fourth Proportional to 38,954.61, 58,389.80 and 15,555.33

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Solution

The fourth proportional to 38,954.61, 58,389.80 and 15,555.33 is: 23,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,954.61 : 58,389.80 = 15,555.33 : x
  2. Step 2: Convert to fraction form
    38,954.61/58,389.80 = 15,555.33/x
  3. Step 3: Cross multiply
    38,954.61x = 58,389.80 × 15,555.33
  4. Step 4: Simplify right side
    38,954.61x = 908,272,529.86
  5. Step 5: Solve for x
    x = 908,272,529.86/38,954.61
  6. Step 6: Final answer
    x = 23,316.18

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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.