Home / 21,589.95-32,386.09-6,800.03

Finding the Fourth Proportional to 21,589.95, 32,386.09 and 6,800.03

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Solution

The fourth proportional to 21,589.95, 32,386.09 and 6,800.03 is: 10,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.95 : 32,386.09 = 6,800.03 : x
  2. Step 2: Convert to fraction form
    21,589.95/32,386.09 = 6,800.03/x
  3. Step 3: Cross multiply
    21,589.95x = 32,386.09 × 6,800.03
  4. Step 4: Simplify right side
    21,589.95x = 220,226,228.64
  5. Step 5: Solve for x
    x = 220,226,228.64/21,589.95
  6. Step 6: Final answer
    x = 10,200.40

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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.