Home / 28,286.28-39,026.26-16,345.26

Finding the Fourth Proportional to 28,286.28, 39,026.26 and 16,345.26

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Solution

The fourth proportional to 28,286.28, 39,026.26 and 16,345.26 is: 22,551.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,286.28 : 39,026.26 = 16,345.26 : x
  2. Step 2: Convert to fraction form
    28,286.28/39,026.26 = 16,345.26/x
  3. Step 3: Cross multiply
    28,286.28x = 39,026.26 × 16,345.26
  4. Step 4: Simplify right side
    28,286.28x = 637,894,366.53
  5. Step 5: Solve for x
    x = 637,894,366.53/28,286.28
  6. Step 6: Final answer
    x = 22,551.37

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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.