Home / 18,506.28-27,784.08-15,750.66

Finding the Fourth Proportional to 18,506.28, 27,784.08 and 15,750.66

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Solution

The fourth proportional to 18,506.28, 27,784.08 and 15,750.66 is: 23,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.28 : 27,784.08 = 15,750.66 : x
  2. Step 2: Convert to fraction form
    18,506.28/27,784.08 = 15,750.66/x
  3. Step 3: Cross multiply
    18,506.28x = 27,784.08 × 15,750.66
  4. Step 4: Simplify right side
    18,506.28x = 437,617,597.49
  5. Step 5: Solve for x
    x = 437,617,597.49/18,506.28
  6. Step 6: Final answer
    x = 23,646.98

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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.