Home / 28,246.84-38,980.29-16,309.92

Finding the Fourth Proportional to 28,246.84, 38,980.29 and 16,309.92

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Solution

The fourth proportional to 28,246.84, 38,980.29 and 16,309.92 is: 22,507.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.84 : 38,980.29 = 16,309.92 : x
  2. Step 2: Convert to fraction form
    28,246.84/38,980.29 = 16,309.92/x
  3. Step 3: Cross multiply
    28,246.84x = 38,980.29 × 16,309.92
  4. Step 4: Simplify right side
    28,246.84x = 635,765,216.58
  5. Step 5: Solve for x
    x = 635,765,216.58/28,246.84
  6. Step 6: Final answer
    x = 22,507.48

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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.