Home / 28,643.77-39,535.92-16,072.57

Finding the Fourth Proportional to 28,643.77, 39,535.92 and 16,072.57

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Solution

The fourth proportional to 28,643.77, 39,535.92 and 16,072.57 is: 22,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643.77 : 39,535.92 = 16,072.57 : x
  2. Step 2: Convert to fraction form
    28,643.77/39,535.92 = 16,072.57/x
  3. Step 3: Cross multiply
    28,643.77x = 39,535.92 × 16,072.57
  4. Step 4: Simplify right side
    28,643.77x = 635,443,841.71
  5. Step 5: Solve for x
    x = 635,443,841.71/28,643.77
  6. Step 6: Final answer
    x = 22,184.36

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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.