Home / 21,688.52-32,529.90-6,107.36

Finding the Fourth Proportional to 21,688.52, 32,529.90 and 6,107.36

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Solution

The fourth proportional to 21,688.52, 32,529.90 and 6,107.36 is: 9,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,688.52 : 32,529.90 = 6,107.36 : x
  2. Step 2: Convert to fraction form
    21,688.52/32,529.90 = 6,107.36/x
  3. Step 3: Cross multiply
    21,688.52x = 32,529.90 × 6,107.36
  4. Step 4: Simplify right side
    21,688.52x = 198,671,810.06
  5. Step 5: Solve for x
    x = 198,671,810.06/21,688.52
  6. Step 6: Final answer
    x = 9,160.23

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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.