Home / 28,763.17-39,689.69-16,013.16

Finding the Fourth Proportional to 28,763.17, 39,689.69 and 16,013.16

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Solution

The fourth proportional to 28,763.17, 39,689.69 and 16,013.16 is: 22,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.17 : 39,689.69 = 16,013.16 : x
  2. Step 2: Convert to fraction form
    28,763.17/39,689.69 = 16,013.16/x
  3. Step 3: Cross multiply
    28,763.17x = 39,689.69 × 16,013.16
  4. Step 4: Simplify right side
    28,763.17x = 635,557,276.25
  5. Step 5: Solve for x
    x = 635,557,276.25/28,763.17
  6. Step 6: Final answer
    x = 22,096.22

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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.