Home / 28,181.49-38,890.38-16,244.76

Finding the Fourth Proportional to 28,181.49, 38,890.38 and 16,244.76

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Solution

The fourth proportional to 28,181.49, 38,890.38 and 16,244.76 is: 22,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181.49 : 38,890.38 = 16,244.76 : x
  2. Step 2: Convert to fraction form
    28,181.49/38,890.38 = 16,244.76/x
  3. Step 3: Cross multiply
    28,181.49x = 38,890.38 × 16,244.76
  4. Step 4: Simplify right side
    28,181.49x = 631,764,889.41
  5. Step 5: Solve for x
    x = 631,764,889.41/28,181.49
  6. Step 6: Final answer
    x = 22,417.72

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1.5x scale

Why These Related Problems?

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