Home / 21,669.30-32,488.05-14,631.87

Finding the Fourth Proportional to 21,669.30, 32,488.05 and 14,631.87

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Solution

The fourth proportional to 21,669.30, 32,488.05 and 14,631.87 is: 21,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669.30 : 32,488.05 = 14,631.87 : x
  2. Step 2: Convert to fraction form
    21,669.30/32,488.05 = 14,631.87/x
  3. Step 3: Cross multiply
    21,669.30x = 32,488.05 × 14,631.87
  4. Step 4: Simplify right side
    21,669.30x = 475,360,924.15
  5. Step 5: Solve for x
    x = 475,360,924.15/21,669.30
  6. Step 6: Final answer
    x = 21,937.07

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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.