Home / 21,675.48-32,509.90-6,882.47

Finding the Fourth Proportional to 21,675.48, 32,509.90 and 6,882.47

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Solution

The fourth proportional to 21,675.48, 32,509.90 and 6,882.47 is: 10,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675.48 : 32,509.90 = 6,882.47 : x
  2. Step 2: Convert to fraction form
    21,675.48/32,509.90 = 6,882.47/x
  3. Step 3: Cross multiply
    21,675.48x = 32,509.90 × 6,882.47
  4. Step 4: Simplify right side
    21,675.48x = 223,748,411.45
  5. Step 5: Solve for x
    x = 223,748,411.45/21,675.48
  6. Step 6: Final answer
    x = 10,322.65

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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.