Home / 28,182.40-38,890.68-16,246.24

Finding the Fourth Proportional to 28,182.40, 38,890.68 and 16,246.24

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Solution

The fourth proportional to 28,182.40, 38,890.68 and 16,246.24 is: 22,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.40 : 38,890.68 = 16,246.24 : x
  2. Step 2: Convert to fraction form
    28,182.40/38,890.68 = 16,246.24/x
  3. Step 3: Cross multiply
    28,182.40x = 38,890.68 × 16,246.24
  4. Step 4: Simplify right side
    28,182.40x = 631,827,321.04
  5. Step 5: Solve for x
    x = 631,827,321.04/28,182.40
  6. Step 6: Final answer
    x = 22,419.22

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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.