Home / 28,237.81-42,360.63-9,523.21

Finding the Fourth Proportional to 28,237.81, 42,360.63 and 9,523.21

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Solution

The fourth proportional to 28,237.81, 42,360.63 and 9,523.21 is: 14,286.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.81 : 42,360.63 = 9,523.21 : x
  2. Step 2: Convert to fraction form
    28,237.81/42,360.63 = 9,523.21/x
  3. Step 3: Cross multiply
    28,237.81x = 42,360.63 × 9,523.21
  4. Step 4: Simplify right side
    28,237.81x = 403,409,175.22
  5. Step 5: Solve for x
    x = 403,409,175.22/28,237.81
  6. Step 6: Final answer
    x = 14,286.14

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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.