Home / 28,360.52-42,539.48-10,589.79

Finding the Fourth Proportional to 28,360.52, 42,539.48 and 10,589.79

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Solution

The fourth proportional to 28,360.52, 42,539.48 and 10,589.79 is: 15,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.52 : 42,539.48 = 10,589.79 : x
  2. Step 2: Convert to fraction form
    28,360.52/42,539.48 = 10,589.79/x
  3. Step 3: Cross multiply
    28,360.52x = 42,539.48 × 10,589.79
  4. Step 4: Simplify right side
    28,360.52x = 450,484,106.96
  5. Step 5: Solve for x
    x = 450,484,106.96/28,360.52
  6. Step 6: Final answer
    x = 15,884.20

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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.