Home / 21,990.14-32,986.74-8,842.52

Finding the Fourth Proportional to 21,990.14, 32,986.74 and 8,842.52

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Solution

The fourth proportional to 21,990.14, 32,986.74 and 8,842.52 is: 13,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,990.14 : 32,986.74 = 8,842.52 : x
  2. Step 2: Convert to fraction form
    21,990.14/32,986.74 = 8,842.52/x
  3. Step 3: Cross multiply
    21,990.14x = 32,986.74 × 8,842.52
  4. Step 4: Simplify right side
    21,990.14x = 291,685,908.18
  5. Step 5: Solve for x
    x = 291,685,908.18/21,990.14
  6. Step 6: Final answer
    x = 13,264.40

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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.