Home / 21,488.34-32,226.81-15,229.87

Finding the Fourth Proportional to 21,488.34, 32,226.81 and 15,229.87

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Solution

The fourth proportional to 21,488.34, 32,226.81 and 15,229.87 is: 22,840.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,488.34 : 32,226.81 = 15,229.87 : x
  2. Step 2: Convert to fraction form
    21,488.34/32,226.81 = 15,229.87/x
  3. Step 3: Cross multiply
    21,488.34x = 32,226.81 × 15,229.87
  4. Step 4: Simplify right side
    21,488.34x = 490,810,256.08
  5. Step 5: Solve for x
    x = 490,810,256.08/21,488.34
  6. Step 6: Final answer
    x = 22,840.77

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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.