Home / 28,645.36-39,530.76-16,070.12

Finding the Fourth Proportional to 28,645.36, 39,530.76 and 16,070.12

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Solution

The fourth proportional to 28,645.36, 39,530.76 and 16,070.12 is: 22,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,645.36 : 39,530.76 = 16,070.12 : x
  2. Step 2: Convert to fraction form
    28,645.36/39,530.76 = 16,070.12/x
  3. Step 3: Cross multiply
    28,645.36x = 39,530.76 × 16,070.12
  4. Step 4: Simplify right side
    28,645.36x = 635,264,056.89
  5. Step 5: Solve for x
    x = 635,264,056.89/28,645.36
  6. Step 6: Final answer
    x = 22,176.86

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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.