Home / 21,360.76-32,022.90-15,101.08

Finding the Fourth Proportional to 21,360.76, 32,022.90 and 15,101.08

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Solution

The fourth proportional to 21,360.76, 32,022.90 and 15,101.08 is: 22,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360.76 : 32,022.90 = 15,101.08 : x
  2. Step 2: Convert to fraction form
    21,360.76/32,022.90 = 15,101.08/x
  3. Step 3: Cross multiply
    21,360.76x = 32,022.90 × 15,101.08
  4. Step 4: Simplify right side
    21,360.76x = 483,580,299.23
  5. Step 5: Solve for x
    x = 483,580,299.23/21,360.76
  6. Step 6: Final answer
    x = 22,638.72

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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.