Home / 16,031.28-22,112-14,709.36

Finding the Fourth Proportional to 16,031.28, 22,112 and 14,709.36

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Solution

The fourth proportional to 16,031.28, 22,112 and 14,709.36 is: 20,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,031.28 : 22,112 = 14,709.36 : x
  2. Step 2: Convert to fraction form
    16,031.28/22,112 = 14,709.36/x
  3. Step 3: Cross multiply
    16,031.28x = 22,112 × 14,709.36
  4. Step 4: Simplify right side
    16,031.28x = 325,253,368.32
  5. Step 5: Solve for x
    x = 325,253,368.32/16,031.28
  6. Step 6: Final answer
    x = 20,288.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.