Home / 18,985.85-28,482.01-5,837.93

Finding the Fourth Proportional to 18,985.85, 28,482.01 and 5,837.93

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Solution

The fourth proportional to 18,985.85, 28,482.01 and 5,837.93 is: 8,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.85 : 28,482.01 = 5,837.93 : x
  2. Step 2: Convert to fraction form
    18,985.85/28,482.01 = 5,837.93/x
  3. Step 3: Cross multiply
    18,985.85x = 28,482.01 × 5,837.93
  4. Step 4: Simplify right side
    18,985.85x = 166,275,823.63
  5. Step 5: Solve for x
    x = 166,275,823.63/18,985.85
  6. Step 6: Final answer
    x = 8,757.88

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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.