Home / 28,708.20-43,061.76-11,837.52

Finding the Fourth Proportional to 28,708.20, 43,061.76 and 11,837.52

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Solution

The fourth proportional to 28,708.20, 43,061.76 and 11,837.52 is: 17,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,708.20 : 43,061.76 = 11,837.52 : x
  2. Step 2: Convert to fraction form
    28,708.20/43,061.76 = 11,837.52/x
  3. Step 3: Cross multiply
    28,708.20x = 43,061.76 × 11,837.52
  4. Step 4: Simplify right side
    28,708.20x = 509,744,445.24
  5. Step 5: Solve for x
    x = 509,744,445.24/28,708.20
  6. Step 6: Final answer
    x = 17,756.06

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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.