Home / 21,429.55-32,148.92-10,901.04

Finding the Fourth Proportional to 21,429.55, 32,148.92 and 10,901.04

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Solution

The fourth proportional to 21,429.55, 32,148.92 and 10,901.04 is: 16,353.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,429.55 : 32,148.92 = 10,901.04 : x
  2. Step 2: Convert to fraction form
    21,429.55/32,148.92 = 10,901.04/x
  3. Step 3: Cross multiply
    21,429.55x = 32,148.92 × 10,901.04
  4. Step 4: Simplify right side
    21,429.55x = 350,456,447.63
  5. Step 5: Solve for x
    x = 350,456,447.63/21,429.55
  6. Step 6: Final answer
    x = 16,353.89

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1.5x scale

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.