Home / 20,026.18-30,038.99-5,985.90

Finding the Fourth Proportional to 20,026.18, 30,038.99 and 5,985.90

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Solution

The fourth proportional to 20,026.18, 30,038.99 and 5,985.90 is: 8,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.18 : 30,038.99 = 5,985.90 : x
  2. Step 2: Convert to fraction form
    20,026.18/30,038.99 = 5,985.90/x
  3. Step 3: Cross multiply
    20,026.18x = 30,038.99 × 5,985.90
  4. Step 4: Simplify right side
    20,026.18x = 179,810,390.24
  5. Step 5: Solve for x
    x = 179,810,390.24/20,026.18
  6. Step 6: Final answer
    x = 8,978.77

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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.