Home / 28,286.43-39,030.94-16,347.47

Finding the Fourth Proportional to 28,286.43, 39,030.94 and 16,347.47

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Solution

The fourth proportional to 28,286.43, 39,030.94 and 16,347.47 is: 22,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,286.43 : 39,030.94 = 16,347.47 : x
  2. Step 2: Convert to fraction form
    28,286.43/39,030.94 = 16,347.47/x
  3. Step 3: Cross multiply
    28,286.43x = 39,030.94 × 16,347.47
  4. Step 4: Simplify right side
    28,286.43x = 638,056,946.00
  5. Step 5: Solve for x
    x = 638,056,946.00/28,286.43
  6. Step 6: Final answer
    x = 22,557.00

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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.