Home / 28,643.50-39,528.30-16,068.52

Finding the Fourth Proportional to 28,643.50, 39,528.30 and 16,068.52

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Solution

The fourth proportional to 28,643.50, 39,528.30 and 16,068.52 is: 22,174.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643.50 : 39,528.30 = 16,068.52 : x
  2. Step 2: Convert to fraction form
    28,643.50/39,528.30 = 16,068.52/x
  3. Step 3: Cross multiply
    28,643.50x = 39,528.30 × 16,068.52
  4. Step 4: Simplify right side
    28,643.50x = 635,161,279.12
  5. Step 5: Solve for x
    x = 635,161,279.12/28,643.50
  6. Step 6: Final answer
    x = 22,174.71

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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.