Home / 28,700.94-39,609.63-16,127.58

Finding the Fourth Proportional to 28,700.94, 39,609.63 and 16,127.58

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Solution

The fourth proportional to 28,700.94, 39,609.63 and 16,127.58 is: 22,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.94 : 39,609.63 = 16,127.58 : x
  2. Step 2: Convert to fraction form
    28,700.94/39,609.63 = 16,127.58/x
  3. Step 3: Cross multiply
    28,700.94x = 39,609.63 × 16,127.58
  4. Step 4: Simplify right side
    28,700.94x = 638,807,476.60
  5. Step 5: Solve for x
    x = 638,807,476.60/28,700.94
  6. Step 6: Final answer
    x = 22,257.37

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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.