Home / 19,312.86-28,967.85-5,985.96

Finding the Fourth Proportional to 19,312.86, 28,967.85 and 5,985.96

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Solution

The fourth proportional to 19,312.86, 28,967.85 and 5,985.96 is: 8,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.86 : 28,967.85 = 5,985.96 : x
  2. Step 2: Convert to fraction form
    19,312.86/28,967.85 = 5,985.96/x
  3. Step 3: Cross multiply
    19,312.86x = 28,967.85 × 5,985.96
  4. Step 4: Simplify right side
    19,312.86x = 173,400,216.62
  5. Step 5: Solve for x
    x = 173,400,216.62/19,312.86
  6. Step 6: Final answer
    x = 8,978.48

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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.