Home / 21,529.28-32,298.35-9,041.96

Finding the Fourth Proportional to 21,529.28, 32,298.35 and 9,041.96

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Solution

The fourth proportional to 21,529.28, 32,298.35 and 9,041.96 is: 13,564.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,529.28 : 32,298.35 = 9,041.96 : x
  2. Step 2: Convert to fraction form
    21,529.28/32,298.35 = 9,041.96/x
  3. Step 3: Cross multiply
    21,529.28x = 32,298.35 × 9,041.96
  4. Step 4: Simplify right side
    21,529.28x = 292,040,388.77
  5. Step 5: Solve for x
    x = 292,040,388.77/21,529.28
  6. Step 6: Final answer
    x = 13,564.80

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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.