Home / 28,643.28-39,527.56-16,068

Finding the Fourth Proportional to 28,643.28, 39,527.56 and 16,068

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Solution

The fourth proportional to 28,643.28, 39,527.56 and 16,068 is: 22,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643.28 : 39,527.56 = 16,068 : x
  2. Step 2: Convert to fraction form
    28,643.28/39,527.56 = 16,068/x
  3. Step 3: Cross multiply
    28,643.28x = 39,527.56 × 16,068
  4. Step 4: Simplify right side
    28,643.28x = 635,128,834.08
  5. Step 5: Solve for x
    x = 635,128,834.08/28,643.28
  6. Step 6: Final answer
    x = 22,173.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.