Home / 38,577.84-57,867.60-12,282.72

Finding the Fourth Proportional to 38,577.84, 57,867.60 and 12,282.72

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Solution

The fourth proportional to 38,577.84, 57,867.60 and 12,282.72 is: 18,424.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,577.84 : 57,867.60 = 12,282.72 : x
  2. Step 2: Convert to fraction form
    38,577.84/57,867.60 = 12,282.72/x
  3. Step 3: Cross multiply
    38,577.84x = 57,867.60 × 12,282.72
  4. Step 4: Simplify right side
    38,577.84x = 710,771,527.87
  5. Step 5: Solve for x
    x = 710,771,527.87/38,577.84
  6. Step 6: Final answer
    x = 18,424.35

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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.