Home / 28,656.08-39,543.61-15,908.52

Finding the Fourth Proportional to 28,656.08, 39,543.61 and 15,908.52

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Solution

The fourth proportional to 28,656.08, 39,543.61 and 15,908.52 is: 21,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,656.08 : 39,543.61 = 15,908.52 : x
  2. Step 2: Convert to fraction form
    28,656.08/39,543.61 = 15,908.52/x
  3. Step 3: Cross multiply
    28,656.08x = 39,543.61 × 15,908.52
  4. Step 4: Simplify right side
    28,656.08x = 629,080,226.47
  5. Step 5: Solve for x
    x = 629,080,226.47/28,656.08
  6. Step 6: Final answer
    x = 21,952.77

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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.