Home / 28,643.63-39,528.34-16,068.38

Finding the Fourth Proportional to 28,643.63, 39,528.34 and 16,068.38

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Solution

The fourth proportional to 28,643.63, 39,528.34 and 16,068.38 is: 22,174.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643.63 : 39,528.34 = 16,068.38 : x
  2. Step 2: Convert to fraction form
    28,643.63/39,528.34 = 16,068.38/x
  3. Step 3: Cross multiply
    28,643.63x = 39,528.34 × 16,068.38
  4. Step 4: Simplify right side
    28,643.63x = 635,156,150.08
  5. Step 5: Solve for x
    x = 635,156,150.08/28,643.63
  6. Step 6: Final answer
    x = 22,174.43

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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.